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Using re.sub solution in Clear category for Backward Each Word by PyBest
import re
def reverse(m: re.Match) -> str:
return m.group()[::-1]
def backward_string_by_word(text: str) -> str:
if text == '':
return ''
return re.sub(r'(\w+)', reverse, text)
if __name__ == '__main__':
print("Example:")
print(backward_string_by_word(''))
# These "asserts" are used for self-checking and not for an auto-testing
assert backward_string_by_word('') == ''
assert backward_string_by_word('world') == 'dlrow'
assert backward_string_by_word('hello world') == 'olleh dlrow'
assert backward_string_by_word('hello world') == 'olleh dlrow'
assert backward_string_by_word('welcome to a game') == 'emoclew ot a emag'
print("Coding complete? Click 'Check' to earn cool rewards!")
April 5, 2020
