Specific uses of python [::-1] [::-1,::-1]

I. [::-1]

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import numpy as np
import numpy as np
x = (1, 6)
print("Original array:")
print(x)
print("Reverse array:")
x = x[::-1]
print(x)

'''
Original array:
[1 2 3 4 5]
Reverse array:
[5 4 3 2 1]
'''

[::-1] : will output the elements of the array in reverse direction

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II. [::-1,::-1]

nums=([[1,2,3,4],
              [5,6,7,8],
              [9,10,11,12],
              [13,14,15,16]])
print(nums[::-1,::-1])

'''
[[16 15 14 13]
 [12 11 10  9]
 [ 8  7  6  5]
 [ 4  3  2  1]]
'''

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