Complete this code to swap the first and last element of the given array. Do nothing if the array is empty.
Question
Solution 1
Sure, here is a Python solution for your problem:
def swap_elements(arr):
if len(arr) == 0:
return arr
else:
arr[0], arr[-1] = arr[-1], arr[0]
return arr
This function swap_elements
takes an array arr
as input. If the array is empty (i.e., its leng
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