slove with python 3

def k_or_more_friends(network, k): '''(2Dlist,int)->int Given a 2D-list for friendship network and non-negative integer k, returns the number of users who have at least k friends in the network Precondition: k is non-negative''' # YOUR CODE GOES HERE pass

run:

>>> k_or_more_friends(net1, 5)

3

>>> k_or_more_friends(net2, 8)

1

>>> k_or_more_friends(net3, 12)

0

>>> k_or_more_friends(net4, 70)

33

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