题解 | 基向量变换矩阵

import numpy as np

def transform_basis(B, C):
    pass

    if B.shape!=(3,3) or C.shape!=(3,3):
        return -1

    
    return (np.linalg.inv(C) @ B).tolist()


if __name__ == "__main__":
    B = np.array(eval(input()))
    C = np.array(eval(input()))
    print(transform_basis(B, C))