python add element in dictionary array code example

Example 1: append in dictionary with matrix values

print(a**2)
# [[22 15]
#  [10  7]]
print(c**2)
# [[16  9]
#  [ 4  1]]

Example 2: append in dictionary with matrix values

print(np.dot(c,d))
# [[13 20]
#  [ 5  8]]