Repeat string n times with separator in Python

In this tutorial, you will learn how to repeat string n times with separator in Python.

First, you will take any string, in this case, I will use a variable called “string” to store our desired string and then we will use separators on the string.

string = "Welcome to codespeedy"

In Python, you can use both double quotes and single quotes for the string and you can also use a single quote inside a double quote and vice-versa. Later on in our code, we will use the input() method and will store it in a variable say n.

n = int(input())

this will take an integer as input and it will represent the amount of time we want to repeat our string. Now we will use “*” and this operator can be used to repeat the string as many numbers of times as you want, in this case, we want to repeat the string n times and then I will store the result in a variable say “repeated_string” and code for the same is:

repeated_string = string*n

After this, you will use a method knows as split(), this method splits up the complete string and then returns it as a list. The default separator is whitespace although you can take any separator you want. I will store this in a variable say “splitted_string” and the code for the same is:

splitted_string = repeated_string.split()

although we don’t have to print this, if you print the code above then you will get the following output and this will help you understand how split() method works.

['Welcome', 'to', 'codespeedy', 'Welcome', 'to', 'codespeedy', 'Welcome', 'to', 'codespeedy']

We can now use join function on the list that we obtained after using the split method, i.e on splitted_string. It just joins the elements and then returns it as a string after the elements have been joined by a separator. In this case, we will use separator as ‘-‘ although you can use anything you want in its place.

separator = '-'
separator = separator.join(splitted_string)

the output for the above code will be:


Note:- I have assumed the value of n to be 3 in the above example although you can take any value you want for n. 

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One response to “Repeat string n times with separator in Python”

  1. Rawan Kawtharani says:

    Duplicate lines. Implement the function duplicateLines(fileName), which given a string
    opens the file name fileName for reading and creates a new file whose content is like fileName
    with all lines duplicated. This function assumes that extension of fileName is .txt”, i.e., as a
    string, fileName is of the form name.txt, for some string name. The new file should be called
    nameDuplicated.txt. Use assert to stop the program if the extension of fileName is not .txt”.
    Display an appropriate error message.
    Test your function on the file test.txt” in Part (a). It should create a new file named
    “testDuplicated.txt” consisting of:
    This is a test
    This is a test
    Problem 1 of Programming Assignment 5
    Problem 1 of Programming Assignment 5
    Test it also a file whose extension is not “.tx

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