Python-Programs/ArrayRotation.py at master · Apoorv-cloud/Python-Programs

35 lines (26 loc) · 903 Bytes

# #Function to left rotate arr[] of size n by d*/

# def leftRotate(arr, d, n):

# for i in range(d):

# leftRotatebyOne(arr, n)

# #Function to left Rotate arr[] of size n by 1*/

# def leftRotatebyOne(arr, n):

# temp = arr[0]

# for i in range(n-1):

# arr[i] = arr[i+1]

# arr[n-1] = temp

# # utility function to print an array */

# def printArray(arr,size):

# for i in range(size):

# print ("%d"% arr[i],end=" ")

# Function to left rotate arr[] by d

# no need for size of array

def leftRotate(arr, d):

for i in range(d):

arr.append(arr.pop(0)) # more short and pythonic way of rotating

# utility function for printing an array

def printArray(arr):

print(*arr)

# Driver program to test above functions */

arr = [1, 2, 3, 4, 5, 6, 7]

leftRotate(arr, 2, 7)

printArray(arr, 7)

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