Python list lowercase letters | Convert list to lower-case Example code

Simply use the Python string lower() method to convert every element in a list of strings into lowercase. It will convert given into lowercase letters in Python.

str.lower()

Example make the elements in a list of strings lowercase in Python

Simple python code:

Let’s try, given list ["a", "B", "C"] convert into ["a", "b", "c"].

• Iterate through string_list
• Convert each string to lowercase

strList = ["a", "B", "C"]

for i in range(len(strList)):
    strList[i] = strList[i].lower()

print(strList)

Output:

Another example

Use list comprehension to convert list strings into lowercase words.

strList = ["AA", "BB", "CC"]

strList = [x.lower() for x in strList]

print(strList)

Output:

[‘aa’, ‘bb’, ‘cc’]

Do comment if you have any doubts and suggestions on this Python list code.

Note: IDE: PyCharm 2021.3.3 (Community Edition)

Windows 10

Python 3.10.1

All Python Examples are in Python 3, so Maybe its different from python 2 or upgraded versions.