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First solution in Clear category for Duplicate Zeros by dizemis
def duplicate_zeros(donuts):
donuts = [[0,0] if i == 0 else i for i in donuts]
result = []
for i in donuts:
if type(i) == list:
result.extend(i)
else:
result += [i]
return result
print("Example:")
print(list(duplicate_zeros([1, 0, 2, 3, 0, 4, 5, 0])))
# These "asserts" are used for self-checking
assert list(duplicate_zeros([1, 0, 2, 3, 0, 4, 5, 0])) == [
1,
0,
0,
2,
3,
0,
0,
4,
5,
0,
0,
]
assert list(duplicate_zeros([0, 0, 0, 0])) == [0, 0, 0, 0, 0, 0, 0, 0]
assert list(duplicate_zeros([100, 10, 0, 101, 1000])) == [100, 10, 0, 0, 101, 1000]
print("The mission is done! Click 'Check Solution' to earn rewards!")
Dec. 19, 2023