

join + list + range# hackerRank, print function, python
import sys
def solution(n):
    return ''.join(map(str, list(range(1, n + 1))))
if __name__ == '__main__':
    n = int(sys.stdin.readline())
    
    print(solution(n))

https://www.hackerrank.com/challenges/python-print/problem
github