How to Convert a String to Lowercase in Python?

Lowercasing Strings in Python

Python offers a straightforward method to convert strings to lowercase format. This is particularly useful when you need to standardize text or ensure case-insensitive processing.

How to Lowercase a String?

To convert a string to lowercase, simply utilize the str.lower() method. This method operates on a string and returns a lowercase copy of it.

For instance:

>>> text = "KiLoMeTeRs"
>>> text.lower()
'kilometers'

Example:

Let's consider the string "Kilometers". Using the str.lower() method, we can convert it to lowercase:

>>> "Kilometers".lower()
'kilometers'

As you can see, the string has been transformed into all lowercase characters.

Additional Notes:

• The original string remains unchanged. The str.lower() method creates a new string in lowercase.
• This method can also be applied to Unicode strings.
• For the opposite operation of converting a string to uppercase, refer to the guide: "How to change a string into uppercase?".

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