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import numpy as np
# create numpy array
arr = np.array([1, 2, 3, 4, 5])
# returns first 2 numbers of array
print(arr[0:2])
# returns all even number by skipping by 2
print(arr[1::2])
# returns all odd number by skipping by 2
print(arr[0::2])
# returns all the array in reverse order
print(arr[::-1])
# returns the last index of array
print(arr[-1])