mirror of
https://github.com/TheAlgorithms/Python.git
synced 2024-10-06 13:49:30 +00:00
33 lines
812 B
Python
33 lines
812 B
Python
"""
|
|
Program to join a list of strings with a given separator
|
|
"""
|
|
|
|
|
|
def join(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 = ""
|
|
for word_or_phrase in separated:
|
|
if not isinstance(word_or_phrase, str):
|
|
raise Exception("join() accepts only strings to be joined")
|
|
joined += word_or_phrase + separator
|
|
return joined.strip(separator)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
from doctest import testmod
|
|
|
|
testmod()
|