def shape(matrix):
if not F.is_sequence(matrix): return None
len1 = len(matrix)
if not (len1 > 0 and F.is_sequence(matrix[0])): return None
len2 = len(matrix[0])
return [len1, len2]
def shape(matrix):
if not F.is_sequence(matrix): return None
shapes = []
acc_matrix = matrix
while True:
matrix_length = len(acc_matrix)
shapes.append(matrix_length)
if not F.is_sequence(acc_matrix[0]):
return shapes
acc_matrix = acc_matrix[0]
def test_is_sequence(self):
self.assertEqual(F.is_sequence(_list), True)
self.assertEqual(F.is_sequence(_tuple), True)
self.assertEqual(F.is_sequence(_str), True)
self.assertEqual(F.is_sequence(_dict), False)
self.assertEqual(F.is_sequence(_class), False)
def sum(arg):
if not F.is_sequence(arg): return None
return F.reduce(arg, lambda a, b: a+b, 0)