Arrays-Arrays: Left Rotation.py

#Problem Link : https://www.hackerrank.com/challenges/ctci-array-left-rotation/problem?isFullScreen=true&h_l=interview&playlist_slugs%5B%5D=interview-preparation-kit&playlist_slugs%5B%5D=arrays

#Ans:

#!/bin/python3

import math
import os
import random
import re
import sys

#
# Complete the 'rotLeft' function below.
#
# The function is expected to return an INTEGER_ARRAY.
# The function accepts following parameters:
#  1. INTEGER_ARRAY a
#  2. INTEGER d
#

def rotLeft(a, d):
    alist = list(a)
    b = alist[d:]+alist[:d]
    return b

if __name__ == '__main__':
    fptr = open(os.environ['OUTPUT_PATH'], 'w')

    first_multiple_input = input().rstrip().split()

    n = int(first_multiple_input[0])

    d = int(first_multiple_input[1])

    a = list(map(int, input().rstrip().split()))

    result = rotLeft(a, d)

    fptr.write(' '.join(map(str, result)))
    fptr.write('\n')

    fptr.close()