<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def multivariate_hypergeometric_expval(n, m):
 """ Expected value of multivariate hypergeometric distribution. Parameters: - `n` : Number of draws. - `m` : Number of items in each categoy. """

    m = np.asarray(m, float)
    return n * (m / m.sum())