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  1. T = int(raw_input())
  2.  
  3. answer = []
  4. for i in range(0,T):
  5.    path = raw_input()
  6.    x = 1
  7.    for k, item in enumerate(path):
  8.       if k % 2 == 0:
  9.          if item == 'r':
  10.             x =x*2+ 2
  11.          elif item== 'l':
  12.             x=x*2
  13.       else:
  14.          if item == 'l':
  15.             x =x*2- 1
  16.          elif item == 'r':
  17.             x =x*2 +1
  18.    answer.append(x% (pow(10,9)+7))
  19.  
  20. for i in answer:
  21.    print i
  22.  
Success #stdin #stdout 0.09s 8912KB
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https://ideone.com/Tss6tu
language:
Python (cpython 2.7.16)
created:
9 years ago
visibility:
public

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