iframe-proxy | Sunbelt Computer Software

26 lines (21 loc) · 657 Bytes

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, obtaining the integer representation

# and checking to see if the character is a capital letter.

# If it is a capital letter, it is shifted by 32, making it a lowercase 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()

Sunbelt Computer Software