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  1. Prepare
  2. Python
  3. Numpy
  4. Mean, Var, and Std
  5. Discussions

Mean, Var, and Std

  • a952331408
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    # Enter your code here. Read input from STDIN. Print output to STDOUT
import numpy
n,m = map(int,input().split())

a=numpy.array([input().split() for _ in range(n)],int)
print(numpy.mean(a,axis=1), numpy.var(a,axis=0), round(numpy.std(a),11),sep='\n')