cs50p/problems/pset1/deep/deep.py

import re
answer_regex = re.compile(r"\s*(42|forty[ -]?two)\s*", re.IGNORECASE)

def ifelse_answer():
    answer = input("What is the Answer to the Great Question of Life, the Universe, and Everything?\t\t")
    answer = answer.strip()
    answer = answer.replace('-', '')
    answer = answer.replace(' ', '')
    answer = answer.lower()
    if answer in ('42', 'fortytwo'):
        print("Yes")
    else:
        print("No")


def regex_answer():
    print('Yes'
          if answer_regex.match(
                input("What is the Answer to the Great Question of Life, the Universe, and Everything?\t\t"))
          else 'No')


def oneliner():
    print({True: 'Yes', False: 'No'}[input("What is the Answer to the Great Question of Life, the Universe, and Everything?\t\t").lower().strip() in ('42', 'fortytwo', 'forty two', 'forty-two')])


if __name__ == "__main__":
    regex_answer()