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  1. import re
  2. mystring = '2 apple trees yield 4 apples'
  3. by = 2
  4. print(re.sub(r'\d+', lambda x: str(int(x.group())*by), mystring))
Success #stdin #stdout 0s 23352KB
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4 apple trees yield 8 apples
https://ideone.com/kLMzHl
language:
Python (cpython 2.7.16)
created:
8 years ago
visibility:
secret

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