Python Program To Reverse An Array

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// Using a for loop:

def reverse_array(arr):
    n = len(arr)
    for i in range(n // 2):
        arr[i], arr[n - i - 1] = arr[n - i - 1], arr[i]

# Example usage:
my_array = [1, 2, 3, 4, 5]
reverse_array(my_array)
print(my_array)  # Output: [5, 4, 3, 2, 1]


// Using list slicing:

def reverse_array(arr):
    arr[:] = arr[::-1]

# Example usage:
my_array = [1, 2, 3, 4, 5]
reverse_array(my_array)
print(my_array)  # Output: [5, 4, 3, 2, 1]


// Using the reverse() method:

def reverse_array(arr):
    arr.reverse()

# Example usage:
my_array = [1, 2, 3, 4, 5]
reverse_array(my_array)
print(my_array)  # Output: [5, 4, 3, 2, 1]



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