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len of a group solution in Clear category for Long Repeat by kalauroma7997
from itertools import groupby
long_repeat= lambda line: max((len(list(g)) for l, g in groupby(line)), 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"?')
Nov. 8, 2020
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