In [3]:

    

import numpy as np
from glob import glob


    

In [21]:

    

categ = ['airplanes','bat','bear']
ft = list()
for categ_idx, subfolder in enumerate(categ):
    files = glob('50_categories/'+subfolder+'/*.jpg')
    ft.extend(np.zeros([len(files),13]))
    for i, fileName in enumerate(files):


    

In [23]:

    

type(ft)


    

    
Out[23]:





list

In [9]:

    

np.zeros([len(files),13])


    

    
Out[9]:





array([[ 0.,  0.,  0., ...,  0.,  0.,  0.],
       [ 0.,  0.,  0., ...,  0.,  0.,  0.],
       [ 0.,  0.,  0., ...,  0.,  0.,  0.],
       ..., 
       [ 0.,  0.,  0., ...,  0.,  0.,  0.],
       [ 0.,  0.,  0., ...,  0.,  0.,  0.],
       [ 0.,  0.,  0., ...,  0.,  0.,  0.]])

In [24]:

    

a = np.array([1,2])


    

In [ ]:

    

a.