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vrat28/to_lower_case.py

Created May 24, 2021 08:45
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To Lower case
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to_lower_case.py
class Solution:
def toLowerCase(self, str: str) -> str:
is_upper = lambda x : 'A' <= x <= 'Z'
to_lower = lambda x : chr(ord(x) | 32)
return ''.join([to_lower(x) if is_upper(x) else x for x in str])
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