Python 3 reference · String Methods

Python String maketrans() Method

Create a translation table for translate(): map characters to replacements, or to None to delete them.

Syntax

str.maketrans(x)
str.maketrans(x, y)
str.maketrans(x, y, z)

Parameter	Description
`x`	A dict of characters to replacements, or a string of characters to replace.
`y` optional	A string of replacement characters, the same length as `x`.
`z` optional	A string of characters to delete.

A dict usable with str.translate().

Replace characters one-for-oneTry it yourself

table = str.maketrans("abc", "xyz")
print("aabbcc".translate(table))

Output

xxyyzz

Delete charactersTry it yourself

no_vowels = str.maketrans("", "", "aeiou")
print("programming".translate(no_vowels))

Output

prgrmmng

Version	Change
Python 3.0	Added

str.translate() · Return a copy where each character is mapped through a translation table, replacing or deleting characters fast.
str.replace() · Return a copy with every occurrence of old replaced by new, or only the first count occurrences.
Python Strings · tutorial