How Can I Remove All Whitespace from a String in Python?

Eliminating All Whitespace in a String

The necessity to remove whitespace from a string may arise during data cleaning or text processing tasks. To address this, we first examine a Python code snippet that partially handles whitespace removal:

def my_handle(self):
    sentence = ' hello  apple  '
    sentence.strip()

Using the strip() method only tackles whitespace on the string's boundaries. For a comprehensive whitespace removal, consider the following options:

Removing Leading and Ending Whitespace:

Use str.strip():

>>> "  hello  apple  ".strip()
'hello  apple'

Removing All Space Characters:

Employ str.replace():

>>> "  hello  apple  ".replace(" ", "")
'helloapple'

Removing All Whitespace and Leaving Single Spaces Between Words:

Combine str.split() and str.join():

>>> " ".join("  hello  apple  ".split())
'hello apple'

To remove all whitespace without leaving single spaces between words, change the leading " " to "":

>>> "".join("  hello  apple  ".split())
'helloapple'

By implementing these methods, you can efficiently handle whitespace removal in string manipulations.

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