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Python String Split and Join HackerRank Solution

In this tutorial, we are going to solve a python string split and join problem from hacker rank

In Python, a string can be split on a delimiter.

Example

>>> a = "this is a string"

>>> a = a.split(" ") # a is converted to a list of strings. 

>>> print a

['this', 'is', 'a', 'string']

Joining a string is simple:

>>> a = "-".join(a)

>>> print a

this-is-a-string 

 

Task

You are given a string. Split the string on a " " (space) delimiter and join using a - hyphen.

Function Description

Complete the split_and_join function in the editor below.

split_and_join has the following parameters:

 

  • string line: a string of space-separated words

Returns

  • string: the resulting string

Input Format

The one line contains a string consisting of space-separated words.

Sample Input 0

this is a string

Sample Output 0

this-is-a-string

Solution: 

def split_and_join(line):

    # write your code here

    a = line.split(" ")

    b = "-".join(a)

    return(b)


if __name__ == '__main__':

    line = input()

    result = split_and_join(line)

    print(result)

 

Steps Used in solving the problem -

Step 1: First, we used split method. It will convert our string into a list.

Step 2: then, we used a join method. It will add a hyphen between all the list items and join them.

Step 3: In the last step, we returned our string.