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lower()

lower() is a string method for making all of the letters within a string into lowercase letters. It uses the dot syntax . for creating the expression. For example, “HEllO” can be transformed into lowercase by running "HELLO".lower(), which will return the string 'hello'.

Readings

Geeks for Geeks
Read about lower() and related methods like upper(), isupper() and islower() on Geeks for Geeks.

Tutorials

Tutorial
See how to use .lower() on w3schools.

Lessons referring to this term