Introduction
The lower() function in Python converts a string to print out a string consisting of all lowercase characters. The upper() function in Python converts a string to print out a string consisting of all uppercase characters. These are useful functions to transform strings.
Now we will start introducing you to using the lower() and upper() functions in Python. Hope you understand.
Example
1. The lower() function
str = "HEllo" x = str.lower() print(x)
Output:
hello
2. The upper() function
str = "HEllo" x = str.upper() print(x)
Output:
HELLO
Definition
1. The lower() function
This converts a string with all lowercase.
2. The upper() function
This converts a string with all uppercase.
The syntax
1. The lower() function
string.lower()
2. The upper() function
string.upper()
Parameter Values:
No parameter.
More examples
Example 1: Converting a string to lowercase
print("Enter the string you want to convert:")
x = input().lower()
print("The converted string is:",x)
Output:
Enter the string you want to convert: HeLLo
The converted string is: hello
Example 2: Converting a string to uppercase
print("Enter the string you want to convert:")
x = input().upper()
print("The converted string is:",x)
Output:
Enter the string you want to convert: hello
The converted string is: HELLO
Conclusion
We introduced you to using the lower() and upper() functions in Python.
Thank you for reading!
Karim Buzdar holds a degree in telecommunication engineering and holds several sysadmin certifications including CCNA RS, SCP, and ACE. As an IT engineer and technical author, he writes for various websites.
