Character Translation using Python (like the tr command)

by

See string.translate

import string
"abc".translate(string.maketrans("abc", "def")) # => "def"

Note the doc’s comments about subtleties in the translation of unicode strings.

And for Python 3, you can use directly:

str.translate(str.maketrans("abc", "def"))

Edit: Since tr is a bit more advanced, also consider using re.sub.

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