swapcase.py

This Method will swap the cases of given string

Author: ChenchuJahnavi

strings/swap-case.py

@@ -0,0 +1,33 @@
+"""
+Example to show how this method works
+
+>>> swap_case ("Hello")
+hELLO
+
+>>> swap_case ("water")
+WATER
+"""
+
+
+def swap_case(input_string) -> str:
+    """This method will swap the cases of a given string
+    eg: input: input_string= "Hello" output: swapped_string="hELLO" """
+    list_representation=list(input_string)
+    for i in range(len(list_representation)):
+        if list_representation[i]>='A' and list_representation[i]<='Z':
+            m2=ord(list_representation[i])
+            m1=m2+32
+            list_representation[i]=chr(m1)
+        elif list_representation[i]>='a' and list_representation[i]<='z':
+            m3=ord(list_representation[i])
+            m4=m3-32
+            list_representation[i]=chr(m4)
+        else:
+            pass
+    swapped_list=[ele for ele in list_representation]
+    swapped_list="".join(swapped_list)
+    return swapped_list
+
+input_string=input()
+swapped_string= swap_case(input_string)
+print(swapped_string)