logic-pass

#Mohammed Qasim Kadhim

#Q1
str = "AI 4 Climate "
print (" String: " + str) 
str2 = str.replace('4', '') 
print (" String after remove one character : " + str2) 




print("**********************************************************")

#Q2
#to Ceak Number Prime or not Prime
n=int(input("Enter a Number: "))
for i in range(2,n):
        if n%2==0:
          print("Not Prime Number")
        else: 
          print("Prime Number")
        break


#Q2
"""
Another solution for Q1 
to Find Prime Numbers
"""

r=int(input("Enter a Number: "))
for i in range(2,r+1):
    k=0
    for j in range(2,i//2+1):
        if(i%j==0):
            k=k+1
    if(k<=0):
        print(i)

#Q2
#another solution by using  primePy library

from primePy import primes
print(primes.check(7))
print("**********************************************************")



#Q3
def count_letter(String):
 
 for i in range(0, len(String)):
     count = 1;
     for j in range(i+1, len(String)):
       if(String[i] == String[j] and String[i] != ' '):
          count = count + 1;
          String = String[:j] + '0' + String[j+1:]
     if(count > 1 and String[i] != '0'):
        print(String[i],"=",count)
Str1 = "AI dojo "
Str2="computiq"
Str3="mosul space"
print("str1 :")
count_letter(Str1)
print("str2 :")
count_letter(Str2)
print("str3 :")
count_letter(Str3)