Python String translate() Method Example

Python’s string translate method; Through this tutorial, i am going to show you what is the python string translate method and how to use it.

Python String translate() Method

The python string translate() method returns a string where each character is mapped to its corresponding character in the translation table.

The syntax of the translate() method is:

string.translate(table)

Parameters of Python String translate()

The translate() method takes a single parameter:

  • table – a translation table containing the mapping between two characters; usually created by maketrans()

The return value from Python String translate()

The translate() method returns a string where each character is mapped to its corresponding character as per the translation table.

Example 1: Translation/Mapping using translation table with translate()

# first string
firstString = "abc"
secondString = "def"
thirdString = "ghi"
string = "xyz"
print("Original string:", string)
translation = string.maketrans(firstString, secondString, thirdString)
# translate string
print("Translated string:", string.translate(translation))

Output

Original string: abcdef
Translated string: idef

Example 2: Python string.translate remove characters

Python string translate() function with ord() function replace each character in the string using the given translation table.

Let’s check the example below:

s = 'abc abc abc'
print(s.translate({ord('a'): None}))

Output

bc bc bc

Example 3: Removing Spaces from a String Using translate() and replace()

string = ' P Y T H O N'
print(string.replace(' ', ''))  # PYTHON
print(string.translate({ord(i): None for i in ' '}))  # PYTHON

Output

PYTHON
PYTHON

Example 4: Python remove newline from string using translate

s = 'ab\ncd\nef'
print(s.replace('\n', ''))
print(s.translate({ord('\n'): None}))

Output

abcdef
abcdef

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