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  1. import random
  2.  
  3. def mean(numlist):
  4. total=sum(numlist)
  5. length=len(numlist)
  6. mean=total/length
  7. return mean
  8.  
  9. x = random.sample(list(range(0, 20)), k = random.randint(5, 10))
  10. print(x)
  11. #print("ave"+str(mean)) ここがおかしい
  12. print("ave"+str(mean(x)))
  13.  
Success #stdin #stdout 0.03s 11544KB
stdin
Standard input is empty
stdout
[9, 2, 0, 7, 8, 12, 13, 6, 1]
ave6.444444444444445