unique character 03 set and length comparison
class UniqueCharsSet(object):
def has_unique_chars(self, string):
if string is None:
return False
return len(set(string)) == len(string)
unique character 03 set and length comparison
class UniqueCharsSet(object):
def has_unique_chars(self, string):
if string is None:
return False
return len(set(string)) == len(string)
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