#!/usr/bin/env python3

import numpy as np

arr = np.arange(0,20,2)
print(arr) # [ 0  2  4  6  8 10 12 14 16 18]

# Random values in a given shape.
arr_flot = np.random.rand(4,3)
print(arr_flot)

arr_ent = np.random.randint(100, size=(2,3))
print(arr_ent)


arr_6 = np.full((3,3),6)
print(arr_6)
'''
[[6 6 6]
 [6 6 6]
 [6 6 6]]
'''

arr = np.append(arr, [12,13,14,51])
print(arr) # [ 0  2  4  6  8 10 12 14 16 18 12 13 14 51]

np.insert(arr,2, [42,34])

np.insert(arr_6,2, [1,2,4])

np.delete(arr_ent,0,axis=1)