str = "Hello, World, Table, Chair, Cup, Tea" print(str) substr1 = input("Choose an old substring to replace: ") substr2 = input("Insert new substring: ") lensubstr1 = len(substr1) while str.find(substr1) > 0: i = str.find(substr1) str = str[:i] + substr2 + str[i+lensubstr1:] print(str) |
Output:
Hello, World, Table, Chair, Cup, Tea |