HackerRank String split and join problem solution in python | python problem solution

 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

Problem solution in Python 2 programming.
print '-'.join(raw_input().split())

Problem solution in Python 3 programming.
def split_and_join(line):
    line = line.split(" ")
    line = "-".join(line)
    return line

Problem solution in pypy programming.
def split_and_join(line):
    return line.replace(' ', '-')

Problem solution in pypy3 programming.
print ("-".join(input().split()))




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