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Python String | upper() method with Examples

Python String upper() method with Examples on capitalize(), center(), count(), encode(), find(), format(), index(), join(), lower(), ljust(), isupper(), istitle(), isspace(), isprintable(), isnumeric(), islower() etc.

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Python String upper() Method

Python upper() method converts all the character to uppercase and returns a uppercase string.

Signature

upper()

Parameters

No parameters

Return

It returns a string.

Let's see some examples of upper() method to understand it's functionality.

Python String upper() Method Example 1

First see a simple example of upper() method. This method returns a uppercase string.

# Python upper() method 
# Declaring table and variables
str = "Hello TheDeveloperBlog"
# Calling function
str2 = str.upper()
# Displaying result
print(str2)

Output:

HELLO JAVATPOINT

Python String upper() Method Example 2

See, how can we use this method in programming. The below example converts all the elements of the list into uppercase. See the example.

# Python upper() method 
# Declaring variables
list = ["irfan","sohan","mohan"]
for  l in list:
    print(l.upper()) # Displaying result

Output:

 IRFAN
SOHAN
MOHAN

Python String upper() Method Example 3

An example that converts all the string into uppercase which starts with vowels. See the example below.

# Python upper() method 
# Declaring variables
names = ["irfan","sohan","aman","mohan"]
vowels = ['a','e','i','o','u']
for  l in names:
    for v in vowels:
        if(l.startswith(v)):
            print(l.upper()) # Displaying result

Output:

IRFAN
AMAN

Next TopicPython Strings




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