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  1. yoba = [ 0, 1, 4, 6, 3, 4, 0, 0, 4, 2, 4 ]
  2. for i, x in enumerate(filter(lambda z: z > 0, yoba)):
  3. sign = 1 if i % 2 == 0 else -1
  4. angle = 90 * sign
  5. print('{} {}'.format(x, angle))
  6.  
Success #stdin #stdout 0.02s 28384KB
stdin
Standard input is empty
stdout
1 90
4 -90
6 90
3 -90
4 90
4 -90
2 90
4 -90