HackerRank Python Solution - Strings - Split and Join

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:

this is a string   

Sample Output:

this-is-a-string

Solution:

def split_and_join(line):
    a = line.split()
    a = "-".join(a)
    return a

if __name__ == '__main__':
    line = input()
    result = split_and_join(line)
    print(result)

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