import numpy as np
d=np.array([[1,2,3],[4,5,6],[7,8,9]])
print(d)
e=d.sum()
f=d.mean(axis=1)
g=d.mean(axis=0)
print(e,f,g)
import numpy as np
d=np.array([[1,2,3],[4,5,6],[7,8,9]])
print(d)
e=d.sum()
f=d.mean(axis=1)
g=d.mean(axis=0)
print(e,f,g)
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