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import numpy as np
dimensions = (3, 3)
np.zeros(dimensions) # 3x3 zeros matrix
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import numpy as np
b = np.zeros(2, dtype = int)
print("Matrix b : \n", b)
a = np.zeros([2, 2], dtype = int)
print("\nMatrix a : \n", a)
c = np.zeros([3, 3])
print("\nMatrix c : \n", c)