Merge pull request #1511 from Harivansh-coder/master

improved the way of file handling

Author: geekcomputers

1 File handle/File handle text/question 2.py

@@ -3,16 +3,21 @@
  using read function
 and display those words, which are less than 4 characters. """
 
-F = open("story.txt", "r")
-value = F.read()
-lines = value.split()
-count = 0
+def display_words():
+    with open("story.txt") as F:
+        lines = F.read()
+        words = lines.split()
+        count = 0
+        for word in words:
+            if (len(word) < 4):
+                print(word)
+                count += 1
+    return count 
+
+if __name__ == "__main__":
+    print(display_words())
+                
+
+
 
-for i in lines:
-    if len(i) < 4:
-        print(i)
-        count += 1
-    else:
-        pass
 
-print("The total number of words with length less than 4 are", count)

1 File handle/File handle text/question 5.py

@@ -3,18 +3,18 @@
 
 
 def lowercase():
-    F = open("happy.txt", "r")
-    count = 0
-    count_ = 0
-    value = F.read()
-    for i in value:
-        if i.islower():
-            count += 1
-        elif i.isupper():
-            count_ += 1
-    print("The total number of lower case letters are", count)
-    print("The total number of upper case letters are", count_)
-    print("The total number of letters are", count + count_)
+    with open("happy.txt") as F:
+        count_lower = 0
+        count_upper = 0
+        value = F.read()
+        for i in value:
+            if i.islower():
+                count_lower += 1
+            elif i.isupper():
+                count_upper += 1
+        print("The total number of lower case letters are", count_lower)
+        print("The total number of upper case letters are", count_upper)
+        print("The total number of letters are", count_lower + count_upper)
 
-
-lowercase()
+if __name__ == "__main__":
+    lowercase()

1 File handle/File handle text/question 6.py

@@ -3,18 +3,18 @@
 
 
 def lowercase():
-    F = open("happy.txt", "r")
-    count = 0
-    count_ = 0
-    value = F.read()
-    for i in value:
-        if i.islower():
-            count += 1
-        elif i.isupper():
-            count_ += 1
-    print("The total number of lower case letters are", count)
-    print("The total number of upper case letters are", count_)
-    print("The total number of letters are", count + count_)
+    with open("happy.txt") as F:
+        count_lower = 0
+        count_upper = 0
+        value = F.read()
+        for i in value:
+            if i.islower():
+                count_lower += 1
+            elif i.isupper():
+                count_upper += 1
+        print("The total number of lower case letters are", count_lower)
+        print("The total number of upper case letters are", count_upper)
+        print("The total number of letters are", count_lower + count_upper)
 
-
-lowercase()
+if __name__ == "__main__":
+    lowercase()

1 File handle/File handle text/question3.py

@@ -4,33 +4,29 @@
 
 # step1:
 def write_to_file():
-    F = open("happy.txt", "a")
-    while True:
-        text = input("enter any text")
-
-        F.write(
-            text + "\n"
-        )  # write function takes exactly 1 arguement so concatenation
-        choice = input("do you want to enter more, y/n")
-        if choice == "n":
-            break
-    F.close()
-
-
+    with open("happy.txt", "a") as F:
+        while True:
+            text = input("enter any text")
+            F.write(
+                text + "\n"
+            )  # write function takes exactly 1 arguement so concatenation
+            choice = input("do you want to enter more, y/n")
+            if choice == "n":
+                break
+        
 # write_to_file()
 
 # step2:
 def check_first_letter():
-    F = open("happy.txt", "r")
-    value = F.read()
-    count = 0
-    line = value.split()
-    for i in line:
-        if i[0] in ["m", "M", "i", "I"]:
-            count += 1
-            print(i)
-
-    print("The total number of sentences starting with I or M are", count)
-
-
-check_first_letter()
+    with open("happy.txt") as F:
+        value = F.read()
+        count = 0
+        line = value.split()
+        for i in line:
+            if i[0] in ["m", "M", "i", "I"]:
+                count += 1
+                print(i)
+        print("The total number of sentences starting with I or M are", count)
+
+if __name__ == "__main__":
+    check_first_letter()