def no_numpy_mult(first, second): """ param first: list of "size" lists, each contains "size" floats param second: list of "size" lists, each contains "size" floats """ #YOUR CODE: please do not use numpy result = #YOUR CODE: create list of lists, not np.array return result def numpy_mult(first, second): """ param first: np.array[size, size] param second: np.array[size, size] """ #YOUR CODE: please use numpy result = #YOUR CODE: create np.array return result

def no_numpy_mult(first, second):
    """
    param first: list of "size" lists, each contains "size" floats
    param second: list of "size" lists, each contains "size" floats
    """

    #YOUR CODE: please do not use numpy

    result = #YOUR CODE: create list of lists, not np.array
    return result

def numpy_mult(first, second):
    """
    param first: np.array[size, size]
    param second: np.array[size, size]
    """

    #YOUR CODE: please use numpy

    result = #YOUR CODE: create np.array
    return result 
 
 
 
 #### 函数多返回值
def foo():
    print('hello')
    return 1, 2, 3

a, b, c = foo()
print(a, b, c)   # 1 2 3

print(foo())     # hello (1, 2, 3)

a, b,