Exercise

# Matrix multiplication part II

Let's put your matrix multiplication skills to the test.

Instructions

**100 XP**

- Use the
`.shape`

attribute to understand the dimensions of matrices`C`

and`D`

, and determine whether these two matrices can be multiplied together or not. - If they can be multiplied, use the
`np.matmul()`

method to multiply them. If not, set`C_times_D`

to`None`

.