Question

Write a Python program which prompts the user for a file name then a sentence. Display the number of
characters in the sentence and save the sentence to the file name. If the file already exists, ask
the user if the file should be overwritten.

Answer 1

import os


def main():
    filename = input("Enter file name: ")
    if os.path.exists(filename):
        choice = input(filename + " already exists. Do you want me to override it(y or n)? ").lower()[0]
        if choice == 'n':
            return
    f = open(filename, 'w')
    sentence = input("Enter sentence: ")
    print("Number of characters in " + sentence + " is " + str(len(sentence)))
    f.write(sentence + "\n")
    f.close()


main()