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kseistrup/is_isogram.py

Created July 20, 2020 09:25
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Test if TEXT is an isogram, using Python
Raw
is_isogram.py
def is_isogram(text, case_sensitive=False):
"""Test if TEXT is an isogram"""
if type(text) is not str:
return False
if not text:
return True
unique = set(text if case_sensitive else text.casefold())
return len(text) == len(unique)
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