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First solution in Uncategorized category for Determinant by Elena_Korljukova
def det(matr, x):
return [m[:x] + m[x + 1:] for m in matr[1:]]
def checkio(data):
if len(data) == 1:
return data[0][0]
d = 0
for i in range(len(data)):
d += ((-1)**i)*data[0][i]*checkio(det(data, i))
return d
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
assert checkio([[4, 3], [6, 3]]) == -6, 'First example'
assert checkio([[1, 3, 2],
[1, 1, 4],
[2, 2, 1]]) == 14, 'Second example'
Oct. 22, 2020
