diff --git a/1.py b/1.py
new file mode 100644
index 0000000..6db9202
--- /dev/null
+++ b/1.py
@@ -0,0 +1,32 @@
+from tkinter import*
+from tkinter import filedialog
+import pyttsx3
+import PyPDF2
+Window=Tk()
+Window.geometry('500x350')
+Window.config(bg="orange")
+Window.title("Convert PDF File Text to Audio Speech Using Python by Our Team")
+startingpagenumber = Entry(Window)
+page1.place(relx=0.02,rely=0.1)
+startingpagenumber.place(relx=0.6,rely=0.1)
+page1=Label(Window,text=1)
+label = Label(Window, text="select a book.")
+label.place(relx=0.3,rely=0.2)
+
+def file():
+    path = filedialog.askopenfilename()
+    book = open(path, 'rb')
+    pdfreader = PyPDF2.PdfFileReader(book)
+    pages = pdfreader.numPages
+    speaker = pyttsx3.init()
+    
+    for i in range(int(startingpagenumber.get()), pages):
+        page = pdfreader.getPage(i) 
+        txt = page.extractText()
+        speaker.say(txt)
+        speaker.runAndWait()
+ 
+B=Button(Window, text="Choose  the Book", command=file)
+B.place(relx=0.4,rely=0.3)
+ 
+mainloop()
\ No newline at end of file
diff --git a/PYTHON PROGRAMS.docx b/PYTHON PROGRAMS.docx
new file mode 100644
index 0000000..33b517c
Binary files /dev/null and b/PYTHON PROGRAMS.docx differ
diff --git a/Total number of notes in amount.py b/Total number of notes in amount.py
new file mode 100644
index 0000000..fc8e3e8
--- /dev/null
+++ b/Total number of notes in amount.py	
@@ -0,0 +1,46 @@
+a=int(input("Enter the amount : "))
+n2000=n500=n200=n100=n50=n20=n10=n5=n2=n1=0
+if(a>=2000):
+    n2000=a//2000
+    a=a-n2000*2000
+if(a>=500):
+    n500=a//500
+    a=a-n500*500
+if(a>=200):
+    n200=a//200
+    a=a-n200*200
+if(a>=100):
+    n100=a//100
+    a=a-n100*100
+if(a>=50):
+    n50=a//50
+    a=a-n50*50
+if(a>=20):
+    n20=a//20
+    a=a-n20*20
+if(a>=10):
+    n10=a//10
+    a=a-n10*10
+if(a>=5):
+    n5=a//5
+    a=a-n5*5
+if(a>=2):
+    n2=a//2
+    a=a-n2*2
+if(a>=1):
+    n1=a//1
+    a=a-n1*1
+print("Noes of 2000 = ",n2000)
+print("Noes of 500  = ",n500)
+print("Noes of 200  = ",n200)
+print("Noes of 100  = ",n100)
+print("Noes of 50   = ",n50)
+print("Noes of 20   = ",n20)
+print("Noes of 10   = ",n10)
+print("Noes of 5    = ",n5)
+print("Noes of 2    = ",n2)
+print("Noes of 1    = ",n1)
+
+
+
+
diff --git a/area_of_scalen_triangle.py b/area_of_scalen_triangle.py
new file mode 100644
index 0000000..4aaa9c1
--- /dev/null
+++ b/area_of_scalen_triangle.py
@@ -0,0 +1,9 @@
+# write a program to find the area of the triangle 
+# by using heron's formula
+a1=int(input("Enter the  side 1 : "))
+a3=int(input("Enter the  side 3 : "))
+a2=int(input("Enter the  side 2 : "))
+# first we find semi parimeter
+s=(a1+a2+a3)/2
+area=(s*(s-a1)*(s-a2)*(s-a3))**0.5
+print("Area of the scalen triangle is %d unit^2"%area)
\ No newline at end of file
diff --git a/avg.py b/avg.py
new file mode 100644
index 0000000..71dd42c
--- /dev/null
+++ b/avg.py
@@ -0,0 +1,7 @@
+a=85
+b=68
+c=59
+d=78
+e=(82*500/100)-(a+b+c+d)
+print(e)
+
diff --git a/body mass.py b/body mass.py
new file mode 100644
index 0000000..40935e2
--- /dev/null
+++ b/body mass.py	
@@ -0,0 +1,5 @@
+# write a program to find BMII(body mass index) ?
+h=int(input("Enter your height in meter :"))
+w=int(input("Enter your weight  in kg :"))
+bmi=w/(h**2)
+print("Your body mass is",bmi)
\ No newline at end of file
diff --git a/cal.py b/cal.py
new file mode 100644
index 0000000..17e26c0
--- /dev/null
+++ b/cal.py
@@ -0,0 +1,5 @@
+a=input("enter a string")
+b=input("enter 2 string")
+c=a+b
+print(c)
+
diff --git a/calender.py b/calender.py
new file mode 100644
index 0000000..c3d0298
--- /dev/null
+++ b/calender.py
@@ -0,0 +1,3 @@
+from calendar import*
+year=int(input("Enter year:"))
+print(calendar(year))
\ No newline at end of file
diff --git a/check even_odd_using_lambda.py b/check even_odd_using_lambda.py
new file mode 100644
index 0000000..d1f5846
--- /dev/null
+++ b/check even_odd_using_lambda.py	
@@ -0,0 +1,7 @@
+f=lambda a:True if a%2==0 else False
+n=int(input("Enter the number to check :"))
+b=f(n)
+if(b==True):
+    print("It is even number")
+else:
+    print("Not even")
\ No newline at end of file
diff --git a/check last digit binary.py b/check last digit binary.py
new file mode 100644
index 0000000..85872b6
--- /dev/null
+++ b/check last digit binary.py	
@@ -0,0 +1,5 @@
+# write a python program to check wether last digit is binary or not
+a=int(input("Enter the number that you want to check : "))
+n=a%10
+b=n&1
+print("Last binary digit is ",b)
\ No newline at end of file
diff --git a/convert list item in upperrcase.py b/convert list item in upperrcase.py
new file mode 100644
index 0000000..147b433
--- /dev/null
+++ b/convert list item in upperrcase.py	
@@ -0,0 +1,6 @@
+# sample input=['kanishk', 'ritik', 'rahul', 'govind', 'dev']
+# sample output+=['KANISHK', 'RITIK', 'RAHUL', 'GOVIND', 'DEV']
+a=input("Enter string with space:").split()
+print(a)
+lst=list(map(lambda x:x.upper(), a))
+print(lst)
\ No newline at end of file
diff --git a/cricket.py b/cricket.py
new file mode 100644
index 0000000..3b2bdca
--- /dev/null
+++ b/cricket.py
@@ -0,0 +1,3 @@
+o=int(input("Enter the number of overs :"))
+run=(o-1)*33+36
+print("Total run score by player in %d overs is %d"%(o,run))
\ No newline at end of file
diff --git a/currency_notes.py b/currency_notes.py
new file mode 100644
index 0000000..e41c033
--- /dev/null
+++ b/currency_notes.py
@@ -0,0 +1,13 @@
+a=int(input("Enter the money to be withdrawn : "))
+ahundred=1
+a=a-100
+twothousand=a//2000
+rem=a%2000
+fivehundred=rem//500
+r=rem%500
+hundred=r//100
+
+
+print("Number of 2000 notes : ",twothousand)
+print("Number of 500 notes : ",fivehundred)
+print("Number  of hundred notes : ",ahundred+hundred)
\ No newline at end of file
diff --git a/distance between two co-ordinate.py b/distance between two co-ordinate.py
new file mode 100644
index 0000000..bd7ba71
--- /dev/null
+++ b/distance between two co-ordinate.py	
@@ -0,0 +1,7 @@
+# write a program to find the distance between two co-ordinate 
+a1=int(input("Enter a1 : "))
+a2=int(input("Enter a2 : "))
+b1=int(input("Enter b1 : "))
+b2=int(input("Enter b2 : "))
+d=(((a2-a1)**2)+((b2-b1)**2))**0.5
+print("Distance between two points is ",d)
diff --git a/distance.py b/distance.py
new file mode 100644
index 0000000..43bc2c6
--- /dev/null
+++ b/distance.py
@@ -0,0 +1,3 @@
+d=int(input("Enter distance in meters :"))
+d=d//1000
+print("Distance in kilometers is ",d)
\ No newline at end of file
diff --git a/even numbers in list.py b/even numbers in list.py
new file mode 100644
index 0000000..3abc999
--- /dev/null
+++ b/even numbers in list.py	
@@ -0,0 +1,6 @@
+lst=[10,20,23,24,25,26]
+a=list(filter(lambda x:(x%2==0),lst))
+print(a)
+
+
+
diff --git a/fabonacci_fun.py b/fabonacci_fun.py
new file mode 100644
index 0000000..fda770d
--- /dev/null
+++ b/fabonacci_fun.py
@@ -0,0 +1,7 @@
+def fun(x):
+    a,b=0,1
+    for i in range(x):
+        print(a)
+        a,b=b,a+b
+n=int(input("Enter the number of terms  :"))
+fun(n)
\ No newline at end of file
diff --git a/fabonaci.py b/fabonaci.py
new file mode 100644
index 0000000..6546e1c
--- /dev/null
+++ b/fabonaci.py
@@ -0,0 +1,9 @@
+l=int(input("Enter the number of terms:"))
+
+y=lambda x,y:x+y
+
+a,b=0,1
+for i in range (l):
+    c=y(a,b)
+    print(a,end=" ")
+    a,b=b,c
\ No newline at end of file
diff --git a/field project.py b/field project.py
new file mode 100644
index 0000000..3a4e325
--- /dev/null
+++ b/field project.py	
@@ -0,0 +1,23 @@
+# importing the modules
+from http.cookies import BaseCookie
+import PyPDF2
+import pyttsx3
+
+# path of the PDF file
+path = open('C:\\Users\\kanis\\OneDrive\\Desktop\\Fitting Shop.pdf', 'rb')
+
+# creating a PdfFileReader object
+pdfReader = PyPDF2.PdfFileReader(path)
+
+# the page with which you want to start
+# this will read the page of 25th page.
+from_page = pdfReader.getPage(1)
+
+# extracting the text from the PDF
+text = from_page.extractText()
+
+
+# reading the text
+speak = pyttsx3.init()
+speak.say(text)
+speak.runAndWait()
diff --git a/filter even.py b/filter even.py
new file mode 100644
index 0000000..fc67b22
--- /dev/null
+++ b/filter even.py	
@@ -0,0 +1,8 @@
+def even(n):
+    if(n%2==0):
+        return True
+    else:
+        return False
+lst=[2,3,4,5,6,7,8]
+a=list(filter((even),lst))
+print(a)
\ No newline at end of file
diff --git a/filter positive from list.py b/filter positive from list.py
new file mode 100644
index 0000000..89c5157
--- /dev/null
+++ b/filter positive from list.py	
@@ -0,0 +1,16 @@
+lst=list(map(int,input("Enter the element of list with a space").split()))
+print(lst)
+
+#by using lambda
+# lst2=list(filter(lambda x:x>0 ,lst))
+#print(lst2)
+
+#without using lambda
+def abc(a):
+    if(a>0):
+        return True
+    else:
+        return False
+
+lst2=list(filter(abc,lst))
+print(lst2)
\ No newline at end of file
diff --git a/find factorial.py b/find factorial.py
new file mode 100644
index 0000000..4282c6f
--- /dev/null
+++ b/find factorial.py	
@@ -0,0 +1,7 @@
+def fact(a):
+    fact=1
+    for i in range(a,0,-1):
+        fact*=i
+    return fact
+n=int(input("Enter the number to find factorial"))
+print("factorial is ",fact(n))
diff --git a/find maximum of three nmumbers.py b/find maximum of three nmumbers.py
new file mode 100644
index 0000000..26be246
--- /dev/null
+++ b/find maximum of three nmumbers.py	
@@ -0,0 +1,11 @@
+def num(a,b,c):
+    if((a>b) and (a>c)):
+        return(a)
+    elif((b>c) and (b>a)):
+        return(b)
+    else:
+        return(c)
+a1=int(input("Enter 1 no:"))
+a2=int(input("Enter 2 no:"))
+a3=int(input("Enter 3 no:"))
+print("maxim no is",num(a1,a2,a3))
diff --git a/find_palindromme.py b/find_palindromme.py
new file mode 100644
index 0000000..3ddebb0
--- /dev/null
+++ b/find_palindromme.py
@@ -0,0 +1,3 @@
+lst=['php','w3r','mom','sas','ass']
+a=list(filter(lambda x: x==x[-1: :-1],lst))
+print(a)
\ No newline at end of file
diff --git a/generators.py b/generators.py
new file mode 100644
index 0000000..51efd68
--- /dev/null
+++ b/generators.py
@@ -0,0 +1,11 @@
+def mygen(x,y):
+    while(x<y):
+        yield x
+        x+=1
+
+a=int(input("Enter starting limit:"))
+b=int(input("Enter the end limit:"))
+
+g=mygen(a,b)
+for i in g:
+    print(i,end=" ")
\ No newline at end of file
diff --git a/global_local_nonlocal_variable.py b/global_local_nonlocal_variable.py
new file mode 100644
index 0000000..56b769b
--- /dev/null
+++ b/global_local_nonlocal_variable.py
@@ -0,0 +1,25 @@
+'''# program to know global and local variable
+a=20
+def fun():
+    
+    global a #to access global variable in loc
+    a=a+20
+    print(a)
+fun()
+
+print(a) # now the value of a is changed '''
+
+
+
+# program to know non local variable
+def fun():
+    a=20 # Non local variable
+    def asc():
+        nonlocal a
+        a=10+a
+        print(a)
+
+    asc()
+    print(a)
+
+fun()
diff --git a/hamming.py b/hamming.py
new file mode 100644
index 0000000..19e88f5
--- /dev/null
+++ b/hamming.py
@@ -0,0 +1,17 @@
+def hamming(a,b):
+    c=a^b
+    d=bin(c)
+    e=str(d)
+    f=len(e)
+    suma=0
+    for i in range(f):
+        
+        if(e[i]=='1'):
+            suma+=1
+    print("Hamming distance is ",suma)
+
+n1=int(input("Enter the first no:"))
+n2=int(input("Enter the second  no:"))
+hamming(n1,n2)
+
+     
\ No newline at end of file
diff --git a/height.py b/height.py
new file mode 100644
index 0000000..38233b6
--- /dev/null
+++ b/height.py
@@ -0,0 +1,6 @@
+# write a program to find height if area and parameter are given
+area=int(input("Enter the area : "))
+parameter=int(input("Enter the parameter : "))
+a=parameter//4
+h=area//a
+print("height is ",h)
\ No newline at end of file
diff --git a/hypotenure.py b/hypotenure.py
new file mode 100644
index 0000000..140182e
--- /dev/null
+++ b/hypotenure.py
@@ -0,0 +1,5 @@
+#write a python program to calculate hypotenure if base and perpendicular input by user
+a=int(input("Enter the perpendicular : "))
+b=int(input("Enter the base : "))
+hypotenure=(a**2+b**2)**0.5
+print(hypotenure)
\ No newline at end of file
diff --git a/if_else_11.py b/if_else_11.py
new file mode 100644
index 0000000..edce888
--- /dev/null
+++ b/if_else_11.py
@@ -0,0 +1,16 @@
+# python program to input week number and print the day
+a=int(input("Enter weekday number from 1-7 : "))
+if(a==1):
+    print("day is monday!")
+elif(a==2):
+    print("day is tuesday!")
+elif(a==4):
+    print("day is thursday!")
+elif(a==5):
+    print("day is friday!")
+elif(a==3):
+    print("day is wednesday!")
+elif(a==6):
+    print("day is saturday!")
+elif(a==7):
+    print("day is sunday+funday!")
diff --git a/if_else_12.py b/if_else_12.py
new file mode 100644
index 0000000..4619c00
--- /dev/null
+++ b/if_else_12.py
@@ -0,0 +1,7 @@
+n=int(input("enter the month number :"))
+if(n==1 or n==3 or n==5 or n==7 or n==8 or n==10 or n==12):
+    print("This is a month of 31 days!")
+elif(n==2):
+    print("this is a month of 28 or 29 days!")
+else:
+    print("This is a mont of 30 days!")
\ No newline at end of file
diff --git a/if_else_2.py b/if_else_2.py
new file mode 100644
index 0000000..046a265
--- /dev/null
+++ b/if_else_2.py
@@ -0,0 +1,6 @@
+a=int(input("Enter the first number : "))
+b=int(input("Enter the second number : "))
+if(a<b):
+    print(b-a)
+elif(b<a):
+    print(a-b)
diff --git a/if_else_3.py b/if_else_3.py
new file mode 100644
index 0000000..7dc6ec1
--- /dev/null
+++ b/if_else_3.py
@@ -0,0 +1,7 @@
+a=int(input("Enter the number that you want to check :  "))
+if(a%5==0):
+    print("Number is devisible by 5")
+elif(a%11==0):
+    print("Number is devisible by 11")
+else:
+    print("Number is not devisible")
\ No newline at end of file
diff --git a/if_else_9.py b/if_else_9.py
new file mode 100644
index 0000000..232ca89
--- /dev/null
+++ b/if_else_9.py
@@ -0,0 +1,6 @@
+n=input("Enter the character :")
+
+if( n >= 'A' and n<='Z') or (n>='a' and n<='z'):
+    print(n," is a character ")
+else:
+    print(n," is not character : ")
\ No newline at end of file
diff --git a/import module_own.py b/import module_own.py
new file mode 100644
index 0000000..59f4eff
--- /dev/null
+++ b/import module_own.py	
@@ -0,0 +1,8 @@
+# type 1
+import reversed_words
+a=input("Enter the word to reverse")
+print(reversed_words.reverse(a))
+# type 2
+'''from reversed_words import*
+a=input("Enter the sentence:")
+print(reverse(a))'''
\ No newline at end of file
diff --git a/lambda function to find the bigger.py b/lambda function to find the bigger.py
new file mode 100644
index 0000000..d9a01a1
--- /dev/null
+++ b/lambda function to find the bigger.py	
@@ -0,0 +1,4 @@
+a=lambda x,y:x if (x>y) else y
+a1=int(input("Enter no1:"))
+a2=int(input("Enter no2:"))
+print("max is ",a(a1,a2))
\ No newline at end of file
diff --git a/multiply with 32.py b/multiply with 32.py
new file mode 100644
index 0000000..41a8674
--- /dev/null
+++ b/multiply with 32.py	
@@ -0,0 +1,4 @@
+# write a program to multiply a number by 32
+a=int(input("Enter the number that you want to multiply: "))
+mult=a<<5
+print("%d  multiply by %d is %d"%(a,32,mult))
\ No newline at end of file
diff --git a/multiply with 33.py b/multiply with 33.py
new file mode 100644
index 0000000..4b446d0
--- /dev/null
+++ b/multiply with 33.py	
@@ -0,0 +1,5 @@
+# write a program to multiply a number by 33
+a=int(input("Enter the number that you want to multiply: "))
+b=a<<5
+mult=a+b
+print("%d  multiply by %d is %d"%(a,33,mult))
\ No newline at end of file
diff --git a/name space_unlimited.py b/name space_unlimited.py
new file mode 100644
index 0000000..dad0b53
--- /dev/null
+++ b/name space_unlimited.py	
@@ -0,0 +1,20 @@
+def name(n):
+    sum=0
+    n=" "+n
+    for i in range(len(n)):
+        if(n[i]==" "):
+            sum+=1
+    print(sum)        
+    temp=0
+    for i in range(len(n)):
+        if((n[i]==" ") and temp!=(sum-1)):
+            a=n[i+1]
+            print(a,end=""+" ")
+            temp+=1
+        elif((n[i]==" ") and temp==(sum-1)):
+            b=n[i:len(n)]
+            temp+=1
+            print(b,end="")
+        
+a=input("Enter the name :")
+name(a)
\ No newline at end of file
diff --git a/name_space.py b/name_space.py
new file mode 100644
index 0000000..c3631c3
--- /dev/null
+++ b/name_space.py
@@ -0,0 +1,8 @@
+def name(a):
+    for i in range(len(a)):
+        if(a[i]==' '):
+            n=a[i:]
+    print(a[0]+' '+n)
+
+a=input("Enter your name:")
+name(a)
\ No newline at end of file
diff --git a/neon.py b/neon.py
new file mode 100644
index 0000000..9c868ef
--- /dev/null
+++ b/neon.py
@@ -0,0 +1,15 @@
+def neon(n):
+    sq=n**2
+    sum=0
+    while(sq!=0):
+        sumsq=sq%10
+        sum+=sumsq
+        sq=sq//10
+    if(sum==n):
+        print("number",n,"is neon number")
+    else:
+        print("number is not neon")
+
+
+n=int(input("Enter any number : "))
+neon(n)
\ No newline at end of file
diff --git a/palindrome_string.py b/palindrome_string.py
new file mode 100644
index 0000000..4aac06d
--- /dev/null
+++ b/palindrome_string.py
@@ -0,0 +1,9 @@
+def fun(x):
+    a=x[-1: :-1]
+    if(a==x):
+        print("String is palindrome")
+    else:
+        print("String is not palindrome")
+    
+n=input("Input the string  :")
+fun(n)
\ No newline at end of file
diff --git a/perfect no function.py b/perfect no function.py
new file mode 100644
index 0000000..5656d7e
--- /dev/null
+++ b/perfect no function.py	
@@ -0,0 +1,12 @@
+def per(n):
+    suma=0
+    for i in range(1,n):
+        if(n%i==0):
+            suma+=i
+    if(suma==n):
+        print("No is perfect:")
+    else:
+        print("No is not perfect :")
+x=int(input("Enter the number that you want to check"))
+per(x)
+        
diff --git a/print_multiplication_table.py b/print_multiplication_table.py
new file mode 100644
index 0000000..861360b
--- /dev/null
+++ b/print_multiplication_table.py
@@ -0,0 +1,7 @@
+from tkinter import Y
+
+
+n=int(input("Enter the number"))
+l=lambda x,y:(x*y)
+for i in range(1,11):
+    print(l(n,i))
\ No newline at end of file
diff --git a/rabit.py b/rabit.py
new file mode 100644
index 0000000..2856c23
--- /dev/null
+++ b/rabit.py
@@ -0,0 +1,7 @@
+#write a program to find the number of rabits and cock given the number of head and number of leg
+head=int(input("Enter the total no of head : "))
+leg=int(input("Enter the total no of legs : "))
+rabbit=(leg//2-head)
+cock=2*head-(leg//2)
+print("no of rabbit : ",rabbit)
+print("Total no of cock : ",cock)
\ No newline at end of file
diff --git a/rectangular_tiles.py b/rectangular_tiles.py
new file mode 100644
index 0000000..43586e3
--- /dev/null
+++ b/rectangular_tiles.py
@@ -0,0 +1,8 @@
+len1=int(input("Enter the length of the floor in cm : "))
+br1=int(input("Enter the breadth of the floorin cm  : "))
+len2=int(input("Enter the length of the tilesin cm  : "))
+br2=int(input("Enter the breadth of the tilesin cm  : "))
+a1=len1*br1
+a2=len2*br2
+n=a1/a2
+print("No of tiles required ",n)
\ No newline at end of file
diff --git a/recursion.py b/recursion.py
new file mode 100644
index 0000000..1e7d5ee
--- /dev/null
+++ b/recursion.py
@@ -0,0 +1,19 @@
+'''i=0
+def name():
+    global i   # to take global value to know how many times this code will execute
+    i+=1
+    print("kanishk",i) # this wil print around 1000 times name
+    name()
+    
+name() '''
+
+import sys
+sys.setrecursionlimit(2000)  # now this will print 2000 times after that it will give error 
+i=0
+def name():
+    global i   # to take global value to know how many times this code will execute
+    i+=1
+    print("kanishk",i) # this wil print around 2000 times name
+    name()
+    
+name()
\ No newline at end of file
diff --git a/reduce_lambda.py b/reduce_lambda.py
new file mode 100644
index 0000000..5b508a9
--- /dev/null
+++ b/reduce_lambda.py
@@ -0,0 +1,3 @@
+a=[1,2,3,4]
+b=list(map(lambda x:x*x ,a))
+print(b)
\ No newline at end of file
diff --git a/remove _specified_words.py b/remove _specified_words.py
new file mode 100644
index 0000000..a53d340
--- /dev/null
+++ b/remove _specified_words.py	
@@ -0,0 +1,4 @@
+a=["red","orange","yellow","green","white","black"]
+b=["red","yellow"]  #remove these words from list a
+y=list(filter(lambda a:a not in b ,a))
+print(y)
\ No newline at end of file
diff --git a/return square of element  in list using lambda.py b/return square of element  in list using lambda.py
new file mode 100644
index 0000000..61668f9
--- /dev/null
+++ b/return square of element  in list using lambda.py	
@@ -0,0 +1,3 @@
+lst=[2,2,3,4]
+a=list(map(lambda x:x*x,lst))
+print(a)
\ No newline at end of file
diff --git a/return square of element  in list.py b/return square of element  in list.py
new file mode 100644
index 0000000..34732c5
--- /dev/null
+++ b/return square of element  in list.py	
@@ -0,0 +1,5 @@
+def square(a):
+    return a*a
+lst=[1,2,3,4,5]
+a=list(map((square),lst))
+print(a)
\ No newline at end of file
diff --git a/return unique list elements.py b/return unique list elements.py
new file mode 100644
index 0000000..dc7feda
--- /dev/null
+++ b/return unique list elements.py	
@@ -0,0 +1,14 @@
+# unique list means remove duplicate elements from the list
+def lst(a):
+    b=[]
+    for i in a:
+        if(i not in b):
+            b.append(i)
+    return(b)
+
+n=int(input("Enter the number of elements:"))
+b=[]
+for i in range(n):
+    n=int(input("Enter the value:"))
+    b.append(n)
+print("unique list is ",lst(b))
diff --git a/return_multiple.py b/return_multiple.py
new file mode 100644
index 0000000..ffa5eb2
--- /dev/null
+++ b/return_multiple.py
@@ -0,0 +1,13 @@
+def multiple(a,b):
+    c=a+b
+    d=a-b
+    e=a*b
+    f=a//b
+    return c,d,e,f
+x=int(input("Enter first no:"))
+y=int(input("Enter the second no:"))
+n,n1,n2,n3=multiple(x,y)
+print(n)
+print(n1)
+print(n2)
+print(n3)
diff --git a/reverse 3 digit number.py b/reverse 3 digit number.py
new file mode 100644
index 0000000..bf015d0
--- /dev/null
+++ b/reverse 3 digit number.py	
@@ -0,0 +1,15 @@
+number=int(input("enter the number"))
+a=number//100
+b=number%100    
+c=b//10
+d=b%10
+print(d*100+c*10+a)
+
+# 2nd method
+n=int(input("enter the number"))
+a=n%10
+n=n//10
+b=n%10
+n=n//10
+c=n%10
+print("number in reverse is %d%d%d"%(a,b,c))
\ No newline at end of file
diff --git a/reverse.py b/reverse.py
new file mode 100644
index 0000000..0d51cfc
--- /dev/null
+++ b/reverse.py
@@ -0,0 +1,15 @@
+def fun(x):
+    a=str(x)
+    rem=0
+    rev=0
+    sum=0
+    for i in range(len(a)):
+        rem=x%10
+        sum+=rem
+        rev=rev*10+rem
+        x=x//10
+    print(rev)
+    print("sum of its digit is",sum)
+
+n=int(input("Enter the number to reverse  :"))
+fun(n)
\ No newline at end of file
diff --git a/reversed_words.py b/reversed_words.py
new file mode 100644
index 0000000..03a4491
--- /dev/null
+++ b/reversed_words.py
@@ -0,0 +1,10 @@
+def reverse(x):
+    a=x.split(" ")
+    b=" ".join(reversed(a))
+    return(b)
+
+
+if __name__=='_main_':
+    n=input("Enter the words to be reversed: ")
+    print(reverse(n))
+
diff --git a/root.py b/root.py
new file mode 100644
index 0000000..86235fe
--- /dev/null
+++ b/root.py
@@ -0,0 +1,7 @@
+a=int(input("enter value"))
+b=int(input("enter value"))
+c=int(input("enter value"))
+d=b-(4*a*c)
+root=(b*(d**1/2))/2*a
+print(root)
+
diff --git a/simple intrest and compound intrest.py b/simple intrest and compound intrest.py
new file mode 100644
index 0000000..4bb44c2
--- /dev/null
+++ b/simple intrest and compound intrest.py	
@@ -0,0 +1,7 @@
+principal=int(input("Enter the principal amount in rs : "))
+rate=int(input("Enter the rate : "))
+time=int(input("Enter the time : "))
+si=(principal*rate*time)/100
+ci=principal*((1+rate/100)**time)-principal
+print("Simple Intrest is",si)
+print("Compound Intrest is",ci)
diff --git a/student_grade.py b/student_grade.py
new file mode 100644
index 0000000..a6af45b
--- /dev/null
+++ b/student_grade.py
@@ -0,0 +1,19 @@
+n1=int(input("Enter the number of subject physics : "))
+n2=int(input("Enter the number of subject chemistry : "))
+n3=int(input("Enter the number of subject math : "))
+n4=int(input("Enter the number of subject Biology : "))
+n5=int(input("Enter the number of subject Computer : "))
+a=(n1+n2+n3+n4+n5)//5
+print("Percentage is ",a)
+if(a>=90):
+    print("your grade is A")
+elif(a>=80):
+    print("Your grade is B")
+elif(a>=70):
+    print("Your grade is C")
+elif(a>=60):
+    print("Your grade is D")
+elif(a>=840):
+    print("Your grade is D")
+elif(a<40):
+    print("your grade is F")
diff --git a/sum of all elements of list.py b/sum of all elements of list.py
new file mode 100644
index 0000000..8c4d2a7
--- /dev/null
+++ b/sum of all elements of list.py	
@@ -0,0 +1,11 @@
+def lst(a):
+    sum=0
+    for i in a :
+        sum+=i
+    return(sum)
+n=int(input("Enter the number of elements:"))
+b=[]
+for i in range(n):
+    n=int(input("Enter the value:"))
+    b.append(n)
+print("sum of all elements of this list is",lst(b))
\ No newline at end of file
diff --git a/sum of last 3 digit.py b/sum of last 3 digit.py
new file mode 100644
index 0000000..43fafb9
--- /dev/null
+++ b/sum of last 3 digit.py	
@@ -0,0 +1,9 @@
+# wite a program to find the sum of last 3 digit of university roll number
+n=int(input("Enter your university roll number :"))
+a=n%10
+n=n//10
+b=n%10
+n=n//10
+c=n%10
+n=n//10
+print("sum of last 3 digit of your university roll no is ",a+b+c)
\ No newline at end of file
diff --git a/tower of hanoi.py b/tower of hanoi.py
new file mode 100644
index 0000000..5142f5e
--- /dev/null
+++ b/tower of hanoi.py	
@@ -0,0 +1,9 @@
+def toh(numbers,start,aux,end):
+    if numbers==1:
+        print("Move disk 1 from rod {} to {}".format(start,end))
+        return
+    toh(numbers-1,start,end,aux)
+    print("Move disk {} from rod {} to {}".format(numbers,start,end))
+    toh(numbers-1,aux,start,end)
+disc=3
+toh(disc,"A","B","C")
\ No newline at end of file
diff --git a/triangle_checking_if_else12.py b/triangle_checking_if_else12.py
new file mode 100644
index 0000000..3555094
--- /dev/null
+++ b/triangle_checking_if_else12.py
@@ -0,0 +1,22 @@
+#2) Write a Python program to check a triangle is equilateral, isosceles or scalene
+
+
+n1=int(input("Enter the first side : "))
+n2=int(input("Enter the second side : "))
+n3=int(input("Enter the third side : "))
+
+
+
+if n3**2==n1**2+n2**2:
+    print("Triangel is right angled! ")
+elif n1==n2==n3:
+    print("The triangle is equilateral")
+
+elif (n1==n2 ) or (n2==n3) or (n3==n1) :
+    print("The triangle is isoscales")
+
+elif n1!=n2!=n1:
+    print("The triangle is scalene")
+else:
+    print("Invalid triange !")
+
diff --git a/try7.py b/try7.py
new file mode 100644
index 0000000..c7bdae0
--- /dev/null
+++ b/try7.py
@@ -0,0 +1,9 @@
+print("In the Quadratic equation\na(x^2)+bx+c, Enter such values")
+a=float(input("Enter the value of 'a' : "))
+b=float(input("Enter the value of 'b' : "))
+c=float(input("Enter the value of 'c' : "))
+d=((b*b)-(4*a*c))**(1/2)
+x1=(-b+d)/(2*a)
+x2=(-b-d)/(2*a)
+print("roots of the equation are")
+print("x=",x1," x=",x2)
diff --git a/two_wheeler_four_wheeler.py b/two_wheeler_four_wheeler.py
new file mode 100644
index 0000000..2ca126c
--- /dev/null
+++ b/two_wheeler_four_wheeler.py
@@ -0,0 +1,6 @@
+v=int(input("Enter total number of vehicles :"))
+w=int(input("Enter total number of wheels : "))
+fw=w//2-v
+tw=v-fw
+print("No of two wheelers are : ",tw)
+print("No of four wheelers are : ",fw)
\ No newline at end of file
diff --git a/voice.py b/voice.py
new file mode 100644
index 0000000..4e34ef4
--- /dev/null
+++ b/voice.py
@@ -0,0 +1,5 @@
+import pyttsx3
+engine = pyttsx3.init()
+a=input("Enter words:")
+engine.say(a)
+engine.runAndWait()
diff --git a/vol.py b/vol.py
new file mode 100644
index 0000000..3c10772
--- /dev/null
+++ b/vol.py
@@ -0,0 +1,4 @@
+r=int(input("enter radius"))
+h=int(input("enter hieght"))
+v=3.14*(r**2)*h
+print(v)
diff --git a/whatsapp.py b/whatsapp.py
new file mode 100644
index 0000000..87fd2aa
--- /dev/null
+++ b/whatsapp.py
@@ -0,0 +1,2 @@
+import pywhatkit
+pywhatkit.sendwhatmsg('+919140175196','good morning',1,5) 
\ No newline at end of file