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Determinant solution in Clear category for Determinant by JimmyCarlos
def checkio(A):
W,H = len(A),len(A[0]); assert W == H, "Must be a square matrix!"
if W == 1:
return A[0][0]
else:
return sum(((-1)**i) * A[0][i] * checkio([[A[R][C] for C in range(W) if C != i] for R in range(1,H)]) for i in range(W))
July 10, 2019
