Python String lower() method is used to convert all characters in a string into lowercase characters and returns it.
Syntax
string.lower()
Parameters
It doesn’t take any parameters.
Return Value
This method returns a new string where all the characters are in lowercase. If no uppercase characters exist, it returns an original string.
Visual Representation
Example 1: How to Use String lower() Method
string = "EXPECTO PATRONUM"
print("Original String:", string)
lower_case = string.lower()
print("Lowercase String:", lower_case)
Output
Original String: EXPECTO PATRONUM
Lowercase String: expecto patronum
Example 2: String with Alphanumeric Characters
str = "MLM20 MLM30"
print("Original String:")
print(str)
print("\nConverted String:")
print(str.lower())
Output
Original String:
MLM20 MLM30
Converted String:
mlm20 mlm30
Example 3: Comparison of strings using the lower() method
str1 = "MLM20 MLM30"
str2 = "mlm30 mlm20"
if (str1.lower() == str2.lower()):
print("Strings are same")
else:
print("Strings are not same")
Output
Strings are not same