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  1. import numpy as np
  2. #investment_1 = [5, 5, 5, 5, 5, 5]
  3. #investment_2 = [12, -2, 10, 0, 7, 3]
  4. #print(np.var(investment_1))
  5. #print(np.var(investment_2))
  6.  
  7. arr = [15, 4, 3, 8, 15, 22, 7, 9, 2, 3, 3, 12, 6]
  8. arr.sort()
  9. print(np.std(arr))
Success #stdin #stdout 0.2s 26800KB
stdin
Standard input is empty
stdout
5.8248600054284765