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  1. import math
  2. pi=math.pi
  3. radius=int(input())
  4. perimeter=radius*2*pi
  5. area=radius**2*pi
  6.  
  7. print('圓周率','%.15f'%pi)
  8. print('半徑',radius)
  9. print('圓周長',perimeter)
  10. print('圓面積',area)
Success #stdin #stdout 0.03s 9792KB
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stdin
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5
stdout
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圓周率 3.141592653589793
半徑 5
圓周長 31.41592653589793
圓面積 78.53981633974483
https://ideone.com/mCzIU1
language:
Python 3 (python  3.9.5)
created:
13 days ago
visibility:
public

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