Python/strings/upper.py
Du Yuanchao 72fe611462
Updated lower and upper (#2468)
* update lower and upper

* fixup! Format Python code with psf/black push

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
2020-09-26 01:58:40 +08:00

25 lines
593 B
Python

def upper(word: str) -> str:
"""
Will convert the entire string to uppercase letters
>>> upper("wow")
'WOW'
>>> upper("Hello")
'HELLO'
>>> upper("WHAT")
'WHAT'
>>> upper("wh[]32")
'WH[]32'
"""
# converting to ascii value int value and checking to see if char is a lower letter
# if it is a capital letter it is getting shift by 32 which makes it a capital case
# letter
return "".join(chr(ord(char) - 32) if "a" <= char <= "z" else char for char in word)
if __name__ == "__main__":
from doctest import testmod
testmod()