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  1. from cmath import *
  2. q=input()
  3. print reduce(lambda x,y:x+y,map(lambda (x,y):phase(x/y)/pi/2,zip(q[1:]+q[:1],q)))
Success #stdin #stdout 0.05s 63740KB
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[1+0j,1+1j,-1+1j,-1-1j,1-1j,1+0j,1-1j,-1-1j,-1+1j,1+1j,1+0j,1+1j,-1+1j,-1-1j,1-1j,1+0j,1+1j,-1+1j,-1-1j,1-1j,1+0j]
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2.0
https://ideone.com/ymFhQK
language:
Python (PyPy 2.7.13)
created:
2 days ago
visibility:
public

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