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  1. t=int(input())
  2. for i in range(0,t):
  3. N=int(input())
  4. s=0
  5. for i in range(1,N+1):
  6. s=s+(N/i)
  7. print(round(s,2))
Success #stdin #stdout 0.02s 9256KB
stdin
2
1
12
stdout
1.0
37.24