Python/strings/lower.py
2021-04-12 13:40:10 +02:00

27 lines
628 B
Python

def lower(word: str) -> str:
"""
Will convert the entire string to lowercase letters
>>> lower("wow")
'wow'
>>> lower("HellZo")
'hellzo'
>>> lower("WHAT")
'what'
>>> lower("wh[]32")
'wh[]32'
>>> lower("whAT")
'what'
"""
# converting to ascii value int value and checking to see if char is a capital
# letter if it is a capital letter it is getting shift by 32 which makes it a lower
# 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()