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  1. str = "aaaa12312"
  2. strlist = [];
  3. a = -1
  4.  
  5. while a<len(str)-1:
  6. a=a+1
  7. print str[a].isdigit()
  8.  
  9. if str[a].isdigit():
  10. strlist.append('*')
  11. else:
  12. strlist.append(str[a])
  13.  
  14. result = ''.join(strlist)
  15.  
  16. print(result)
Success #stdin #stdout 0.01s 7896KB
stdin
Standard input is empty
stdout
False
False
False
False
True
True
True
True
True
aaaa*****