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groupby and no itertools solution solution in Clear category for Long Repeat by CDG.Axel
from itertools import groupby
def long_repeat(line: str) -> int:
return max((len(list(lst)) for _, lst in groupby(line)), default=0)
"""
def long_repeat(line: str) -> int:
news, prev = '', ''
for i in line:
news = news + i if i == prev else news + ' ' + i
prev = i
return max(map(lambda x: len(x), news.split()), default=0)
"""
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
assert long_repeat('sdsffffse') == 4, "First"
assert long_repeat('ddvvrwwwrggg') == 3, "Second"
assert long_repeat('abababaab') == 2, "Third"
assert long_repeat('') == 0, "Empty"
print('"Run" is good. How is "Check"?')
Sept. 4, 2021
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