In [1]:

    

import pprint


    

In [2]:

    

print([100] > [-100])


    

    




True

In [3]:

    

print([1, 2, 100] > [1, 2, -100])


    

    




True

In [4]:

    

print([1, 2, 100] > [1, 100])


    

    




False

In [5]:

    

l_2d = [[2, 30, 100], [1, 20, 300], [3, 10, 200]]

pprint.pprint(l_2d, width=40)


    

    




[[2, 30, 100],
 [1, 20, 300],
 [3, 10, 200]]

In [6]:

    

l_2d.sort()

pprint.pprint(l_2d, width=40)


    

    




[[1, 20, 300],
 [2, 30, 100],
 [3, 10, 200]]

In [7]:

    

l_2d.sort(key=lambda x: x[1])

pprint.pprint(l_2d, width=40)


    

    




[[3, 10, 200],
 [1, 20, 300],
 [2, 30, 100]]

In [8]:

    

l_2d.sort(key=lambda x: x[2], reverse=True)

pprint.pprint(l_2d, width=40)


    

    




[[1, 20, 300],
 [3, 10, 200],
 [2, 30, 100]]

In [9]:

    

l_sorted = sorted(l_2d, key=lambda x: x[0], reverse=True)

pprint.pprint(l_sorted, width=40)


    

    




[[3, 10, 200],
 [2, 30, 100],
 [1, 20, 300]]

In [10]:

    

l_3d = [[[0, 1, 2], [2, 30, 100]], [[3, 4, 5], [1, 20, 300]], [[6, 7, 8], [3, 10, 200]]]

pprint.pprint(l_3d, width=40)


    

    




[[[0, 1, 2], [2, 30, 100]],
 [[3, 4, 5], [1, 20, 300]],
 [[6, 7, 8], [3, 10, 200]]]

In [11]:

    

l_sorted = sorted(l_3d, key=lambda x: x[1][0])

pprint.pprint(l_sorted, width=40)


    

    




[[[3, 4, 5], [1, 20, 300]],
 [[0, 1, 2], [2, 30, 100]],
 [[6, 7, 8], [3, 10, 200]]]