mirror of
https://github.com/TheAlgorithms/Python.git
synced 2024-10-06 13:49:30 +00:00
38 lines
1.0 KiB
Python
38 lines
1.0 KiB
Python
def remove_digit(num: int) -> int:
|
|
"""
|
|
|
|
returns the biggest possible result
|
|
that can be achieved by removing
|
|
one digit from the given number
|
|
|
|
>>> remove_digit(152)
|
|
52
|
|
>>> remove_digit(6385)
|
|
685
|
|
>>> remove_digit(-11)
|
|
1
|
|
>>> remove_digit(2222222)
|
|
222222
|
|
>>> remove_digit("2222222")
|
|
Traceback (most recent call last):
|
|
TypeError: only integers accepted as input
|
|
>>> remove_digit("string input")
|
|
Traceback (most recent call last):
|
|
TypeError: only integers accepted as input
|
|
"""
|
|
|
|
if not isinstance(num, int):
|
|
raise TypeError("only integers accepted as input")
|
|
else:
|
|
num_str = str(abs(num))
|
|
num_transpositions = [list(num_str) for char in range(len(num_str))]
|
|
for index in range(len(num_str)):
|
|
num_transpositions[index].pop(index)
|
|
return max(
|
|
int("".join(list(transposition))) for transposition in num_transpositions
|
|
)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
__import__("doctest").testmod()
|