Python String format
Python String format() method returns a new string value that is formatted using the placeholders in given string and the values passed as arguments to the format() method.
In this tutorial, we will learn the syntax and examples for format() method of String class.
Syntax
The syntax of String format() method in Python is
str.format(*args, **kwargs)
where
| Parameter | Required/Optional | Description |
|---|---|---|
| *args | Optional | Positional arguments. |
| **kwargs | Optional | Keyword arguments. |
Example
In this example, we will take a string, and format this string with positional arguments passed to the format() method.
Python Program
x = 'Hello {}! Welcome to {}.'
result = x.format('XYZ', 'New World')
print(result)
Output
Hello XYZ! Welcome to New World.
Explanation
{}s in the string x are placeholders. Positional arguments are loaded into these placeholders respectively.
format with Keyword Arguments
In this example, we will take a string, and format this string with keyword arguments passed to the format() method.
Python Program
x = 'Hello {name}! Welcome to {country}.'
result = x.format(name='XYZ', country='New World')
print(result)
Output
Hello XYZ! Welcome to New World.
format with Positional and Keyword Arguments
In this example, we will take a string, and format this string with both positional and keyword arguments passed to the format() method.
Python Program
x = '{} Hello {name}! Welcome to {country}. '
result = x.format('Greetings!', name='XYZ', country='New World')
print(result)
Output
Greetings! Hello XYZ! Welcome to New World.
Conclusion
In this Python Tutorial, we learned how to format a given string with placeholders; positional and keyword arguments, using String method – format().