slove with python 3

def maximum_num_friends(network): '''(2Dlist)->int Given a 2D-list for friendship network, returns the maximum number of friends any user in the network has. ''' # YOUR CODE GOES HERE pass

run:

>>> maximum_num_friends(net1)

5

>>> maximum_num_friends(net2)

9

>>> maximum_num_friends(net3)

9

>>> maximum_num_friends(net4)

347

note net1.txt contains: 100 10 20 31 41 61 71 92 32 62 82 93 83 94 64 74 58 96 87 8

netl.tt-Notepad File Edit Format View Help 1 1 2 31 41 61 71 92 32 62 82 93 83 94 64 74 85 96 87 8