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import numpy as np
m,n=input().split()
narr=np.array([list(map(int,input().split())) for i in range(int(n))])
print(np.mean(narr,axis=1))
print(np.var(narr,axis=0))
std=np.std(narr,axis=None)
print(round(std,11))
Efficient code with lesser lines
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Mean, Var, and Std
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import numpy as np m,n=input().split() narr=np.array([list(map(int,input().split())) for i in range(int(n))]) print(np.mean(narr,axis=1)) print(np.var(narr,axis=0)) std=np.std(narr,axis=None) print(round(std,11))
Efficient code with lesser lines