def main(): phrase = "Don't panic" plist = list(phrase) print(phrase) print(plist) # I insert here my code for i in range(3): plist.pop() plist.pop(0) plist.remove("'") plist.extend([plist.pop(), plist.pop()]) plist.insert(2, plist.pop(3)) new_phrase = ''.join(plist) print(plist) print(new_phrase) if __name__ == '__main__': main()