Hand in

  Lowercase letters

Sign in to test your solution.
def get_input( prompt ): value = input( prompt ) for letter in value: if letter < 'a' or letter > 'z': print( "Invalid answer!") value = get_input( prompt ) # DO NOT DO THIS! return value s = get_input( "Give a string of lower case letters: " ) print( "The user entered:", s )
You can submit as many times as you like. Only your latest submission will be taken into account.
Sign in to test your solution.

  Python sandbox

This window allows you to run Python code without installing a thing. The code you write here is not automatically submitted to Dodona. This feature is still in full development, so we're happy to hear about your suggestions and issues using the contact form.