20
60
10
30
20
60
10
30
20.
40.
15.
45.
x.mean(axis=1)
Mean of each row:
Mean of each column:
20
60
10
30
x.mean(axis=0)
( 10 + 30) / 2 , (20 + 60 ) / 2 = = 40 / 2 , 80 / 2= 20 , 40
( 10 + 20) / 2 , (30 + 60 ) / 2 = = 30 / 2 , 90 / 2= 15 , 45
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