Cannot figure out the error of the function **rnn_forward**:

## a[4][1] =

[-0.93013738 0.991315 -0.98694298 -0.99723276]

a.shape =

(5, 10, 4)

y_pred[1][3] =

[0.0440187 0.41032346 0.01401205 0.42558194]

y_pred.shape =

(2, 10, 4)

caches[1][1][3] =

[-1.1425182 -0.34934272 -0.20889423 0.58662319]

len(caches) =

2

AssertionError Traceback (most recent call last)

in

18

19 #UNIT TEST

—> 20 rnn_forward_test(rnn_forward)

~/work/W1A1/public_tests.py in rnn_forward_test(target)

78 assert len(caches[0]) == T_x, f"len(cache) must be T_x = {T_x}"

79

—> 80 assert np.allclose(a[5, 2, 2:6], [0.99999291, 0.99332189, 0.9921928, 0.99503445]), “Wrong values for a”

81 assert np.allclose(y_pred[2, 1, 1: 5], [0.19428, 0.14292, 0.24993, 0.00119], atol=1e-4), “Wrong values for y_pred”

82 assert np.allclose(caches[1], x_tmp), f"Fail check: cache[1] != x_tmp"

AssertionError: Wrong values for a