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  1. address = "123.456.789"
  2. defanged = ""
  3. for i in address:
  4.     if i == ".":
  5.         defanged = defanged + "[.]"
  6.     else:
  7.         defanged = defanged + i
  8. print(defanged)
  9.  
  10. defanged = "".join("[.]" if i=="." else i for i in address)
  11. print(defanged)
  12.  
  13. defanged = address.replace(".","[.]")
  14. print(defanged)
Success #stdin #stdout 0.02s 9116KB
comments (?)
stdin 
Standard input is empty
stdout 
123[.]456[.]789
123[.]456[.]789
123[.]456[.]789
https://ideone.com/kASg5w
language:
Python 3 (python  3.9.5)
created:
4 years ago
visibility:
public

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