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add alternative_string_arrange method (#4595)

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* add alternative_string_arrange method

* fix issue

* fix one more issue

* changed the variable name li to output_list
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SURYAPRATAP SINGH SURYAVANSHI 2021-08-06 15:45:42 +05:30 committed by GitHub
parent 5957eabd3e
commit f432bc76a6
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1 changed files with 31 additions and 0 deletions
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strings/alternative_string_arrange.py Normal file
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def alternative_string_arrange(first_str: str, second_str: str) -> str:
"""
Return the alternative arrangements of the two strings.
:param first_str:
:param second_str:
:return: String
>>> alternative_string_arrange("ABCD", "XY")
'AXBYCD'
>>> alternative_string_arrange("XY", "ABCD")
'XAYBCD'
>>> alternative_string_arrange("AB", "XYZ")
'AXBYZ'
>>> alternative_string_arrange("ABC", "")
'ABC'
"""
first_str_length: int = len(first_str)
second_str_length: int = len(second_str)
abs_length: int = (
first_str_length if first_str_length > second_str_length else second_str_length
)
output_list: list = []
for char_count in range(abs_length):
if char_count < first_str_length:
output_list.append(first_str[char_count])
if char_count < second_str_length:
output_list.append(second_str[char_count])
return "".join(output_list)
if __name__ == "__main__":
print(alternative_string_arrange("AB", "XYZ"), end=" ")