Python/strings/join.py at master · imanghotbi-python/Python · GitHub

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"""
Program to join a list of strings with a given separator
"""


defjoin(separator: str, separated: list[str]) ->str:
"""
 >>> join("", ["a", "b", "c", "d"])
 'abcd'
 >>> join("#", ["a", "b", "c", "d"])
 'a#b#c#d'
 >>> join("#", "a")
 'a'
 >>> join(" ", ["You", "are", "amazing!"])
 'You are amazing!'
 >>> join("#", ["a", "b", "c", 1])
 Traceback (most recent call last):
 ...
 Exception: join() accepts only strings to be joined
 """
joined=""
forword_or_phraseinseparated:
ifnotisinstance(word_or_phrase, str):
raiseException("join() accepts only strings to be joined")
joined+=word_or_phrase+separator
returnjoined.strip(separator)


if__name__=="__main__":
fromdoctestimporttestmod

testmod()