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  1. a = "qwe"
  2.  
  3. mask = []
  4. for i in range(len(a) * 2 + 2):
  5.     temp = []
  6.     for k in f"{i:0{len(a)}b}":
  7.         temp.append(bool(int(k)))
  8.     mask.append(temp)
  9.  
  10. for i in mask:
  11.     s = ''
  12.     for k in range(len(a)):
  13.         s += a[k].upper() if i[k] else a[k]
  14.     print(s)
Success #stdin #stdout 0.02s 9308KB
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Standard input is empty
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qwe
qwE
qWe
qWE
Qwe
QwE
QWe
QWE
https://ideone.com/Hc2lgo
language:
Python 3 (python  3.9.5)
created:
3 years ago
visibility:
public

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