Enable Javascript in your browser and then refresh this page, for a much enhanced experience.
First solution in Clear category for Remove All Before by Sunshine_in_Winter
from collections.abc import Iterable
def remove_all_before(items: list, border: int) -> Iterable:
# find the location of the border in the items
if border not in items:
return items
return items[items.index(border):]
print("Example:")
print(list(remove_all_before([1, 2, 3, 4, 5], 3)))
# These "asserts" are used for self-checking
assert list(remove_all_before([1, 2, 3, 4, 5], 3)) == [3, 4, 5]
assert list(remove_all_before([1, 1, 2, 2, 3, 3], 2)) == [2, 2, 3, 3]
assert list(remove_all_before([1, 1, 2, 4, 2, 3, 4], 2)) == [2, 4, 2, 3, 4]
assert list(remove_all_before([1, 1, 5, 6, 7], 2)) == [1, 1, 5, 6, 7]
assert list(remove_all_before([], 0)) == []
assert list(remove_all_before([7, 7, 7, 7, 7, 7, 7, 7, 7], 7)) == [
7,
7,
7,
7,
7,
7,
7,
7,
7,
]
print("The mission is done! Click 'Check Solution' to earn rewards!")
Aug. 25, 2025
