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  1. s1='allaalrfal'
  2. s2='al'
  3. s3='zz'
  4. print(s1.replace(s2,s3,2))
  5. print(s1.replace(s2,s3))
Success #stdin #stdout 0.03s 9240KB
comments (?)
stdin 
Standard input is empty
stdout 
zzlazzrfal
zzlazzrfzz
https://ideone.com/CJghxM
language:
Python 3 nbc (python 3.7.3)
created:
3 days ago
visibility:
public

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