A Better Approach

def split_and_join(line): # write your code here return line.replace(" ", "-")

if name == 'main': line = input() result = split_and_join(line) print(result)

Absolutely! In Python, using method is a simple and powerful way to break a string into a list based on a specified delimiter. My fairplay

My brute force solution: Time Complexity : O(n^2) Space Complexity : O(n)

def split_and_join(line):
    # write your code here
    result = ""
    
    for i in line:
        if i.isspace():
            result += "-"
        else:    
            result += i
    
    return result

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

Better optimization solutions

def split_and_join(line):
    result = []
    for i in line:
        if i.isspace():
            result.append("-")
        else:
            result.append(i)
    return "".join(result)

Time Complexity: O(n) Space Complexity: O(n)

def split_and_join(line):

a=input() print("-".join(a.split())) if name == 'main': line = input() result = split_and_join(line) print(result)

    i am getting error even after writing code because of deafult code present in it.

s=input(); s=s.replace(' ','-'); print(s)