import numpy as np
a=np.array([[1,2,3],
            [3,4,5]])
# print(a.shape)

a=np.array([1,2,3,4,15,89])
# # slicing from start
# print(a[:3])
# # alicing from end
# print(a[3:])

# print(np.zeros((6,3,4)))


arr = ([2,3,78,68])
# print(np.sort(arr))
print(np.argsort(arr))