Univariate words X97337
Write a boolean function is_univariate_word(s) that given an string s returns True if and only if s is formed using only one letter. For instance word xxXxXXx is univariate but xxXxy is not. We assume s is non empty and all characters of s are letters.
Sample session
>>> is_univariate_word('xxXxxxXX') True >>> is_univariate_word('xyyyyYYY') False >>> is_univariate_word('y') True >>> is_univariate_word('yyyyx') False
Information
- Author
- ProAl
- Language
- English
- Official solutions
- Python
- User solutions
- Python