LAST UPDATED: JUNE 9, 2020
Python String isupper()
The Python isupper()
string method returns true if all the characters of a string are in uppercase.
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The isupper()
method is an in-built method for string handling.
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If all case-based characters (letters) of a string are in uppercase then this method returns true otherwise returns false.
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This method returns true for whitespace if all other characters in the given string are alphabet and in uppercase. For a string with only whitespaces, this method will return false.
Python String isupper()
: Syntax
Below we have a basic syntax of the isupper()
method in Python:
string.isupper()
Note: In the above syntax string denotes the string variable on which isupper()
method will be applied.
Python String isupper()
: Parameters
From the syntax it is clear that this method does not take any parameters. If any parameter will be passed then it will raise an error.
Python String isupper()
: Returned Values
This method returns true if all characters of a string are in uppercase.
Python String isupper()
: Basic Example
Below we have an example to show the working of the isupper()
function:
str = 'WE ARE IN THE TITANIC NOW'
print(str.isupper())
The Output will be:
true
Python isupper()
method: Another Example
There is another example where all letters are not in uppercase:
str = "We are in StudyTonight"
print(str.isupper())
The Output will be:
false
Time for a Live Example!
Now its time to look at a live example let us see it is given below:
Summary
This tutorial covers the isupper()
method of strings in Python which returns true
if all characters of a string are in uppercase; it returns false
for digits, symbols, and whitespaces.