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The rjust() string method is used to create a right justified version of the invoked string, padded with a specific character on its left side, which is by default a space character.

Note : None of the string methods change the original string and only return a new string which reflects the change performed by the string method, hence the returned string must be stored or used(if needed to reflect the result), otherwise it is lost.

• Signature of rjust() method




rjust(length, padding)





Parameters	Description
length	This is the length of the string returned by the method rjust(). This is a non-optional attribute.
padding	This value is used as a padding while right justifying the invoked string value. This is an optional attribute.








• Calling rjust() method on a string object.




# Python - Example of rjust() method



# Creating a string
s1 = ('United Kingdom')


# Printing the original string
print('Value of string  : ', s1)


# Calling  the rjust() method on string object 
print('Calling the rjust() method  on string : ', s1.rjust(20))





Output




Value of string  :  United Kingdom
Calling the rjust() method  on string :        United Kingdom


A string object was initialized to a value United Kingdom. When the method rjust() was called on this string object, it returned a string which is right justified and padded with white spaces on its left side.






• Method rjust() does not modify the original characters in a string object


The method rjust() does not modify the original string, but, it only returns a transformed version of the invoked string which is right justified.


Let's show you this by an example -:
Here in program below, we have initialized a string object with a value Moon - The Natural Satellite of Earth and we are trying to modify its content and align it at the center by calling the rjust() method on it.



# Python -Example of rjust() method



# Creating a string
s1 = ('Moon - The Natural Satellite of Earth')

# Printing the original string
print('Original string  before calling rjust() : ', s1)


# Calling  the rjust() method on string object 
# returns a string object which is right justified with length 40
print('Calling the rjust() method : ', s1.rjust(40))


# Printing the original string
print('Original string after calling rjust() : ',  s1)





Output is :




Original string  before calling rjust() :  Moon - The Natural Satellite of Earth
Calling the rjust() method :             Moon - The Natural Satellite of Earth
Original string after calling rjust() :  Moon - The Natural Satellite of Earth


Even after calling the method rjust() on the string object, the original case of its content remains the same - Moon - The Natural Satellite of Earth, because the method rjust() only returns a transformed version of the invoked string which is right justified, without changing the original string.




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• Strings are immutable but reference variables are mutable.


String objects are immutable, but the reference variables pointing to them are not, therefore in order to display the impact of calling the rjust() method on the original object, we can make the reference variable to the original string, point to the result of calling the rjust() method(but in this case, the original string will be lost).



# Python - rjust() method example.



# Creating a string
s = 'Smile as much as you can!'


# Printing the original string
print('Original string is : ', s)


# Result of calling rjust() is made to reference by the reference of original string.
s = s.rjust(50)


# Old reference variable pointing to the new string
print('String value after rjust() method  : ', s)





Output is :




Original string is :  Smile as much as you can!
String value after rjust() method  :                           Smile as much as you can!








• Padding the invoked string with a specific character.

While right justifying the content of the invoked string, we can pad its content with a specific character of our choice, which is by default, a space character. Let us see an example

# Python - rjust() method example.



# Creating a string
s = 'Eat healthy, live healthy!'


# Printing the original string
print('Original string is : ', s)



# Calling  the rjust() method on string object
# which will return a right justified value of length 30, padded with a space on its left.
print(s.rjust(30))



# Calling  the rjust() method on string object
# which will return a right justified value of length 30, padded with # on its left.
print(s.rjust(30, '#'))



# Calling  the rjust() method on string object
# which will return a right justified value of length 40, padded with X on its left.
print(s.rjust(40, 'X'))



# Calling  the rjust() method on string object
# which will return a right justified value of length 60, padded with 0 on its left.
print(s.rjust(60, '0'))




# Calling  the rjust() method on string object
# which will return a right justified value of length 50, padded with @ on its left.
print(s.rjust(50, '@'))



# Calling  the rjust() method on string object
# which will return a right justified value of length 45, padded with @ on its left.
print(s.rjust(45, '.'))

Output is :

Original string is :  Eat healthy, live healthy!
    Eat healthy, live healthy!
####Eat healthy, live healthy!
XXXXXXXXXXXXXXEat healthy, live healthy!
0000000000000000000000000000000000Eat healthy, live healthy!
@@@@@@@@@@@@@@@@@@@@@@@@Eat healthy, live healthy!
...................Eat healthy, live healthy! 

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