3. Write a function named cut_vertices() which returns the list of cut vertices. This output should be given as a set. >>> G={0: set(), 1: {11, 10, 19, 13}, 2: {11, 3, 5}, 3: {9, 2, 12, 17}, 4: {10, 5}, 5: {2, 19, 4, 6}, 6: {12, 5}, 7: {11}, 8: {18}, 9: {10, 3}, 10: {9, 12, 4, 1}, 11: {1, 2, 7}, 12: {10, 3, 6}, 13: {1}, 14: set(), 15: {16}, 16: {15}, 17: {3}, 18: {8},

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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3. Write a function named cut_vertices() which returns the list of cut vertices. This output should be given as a set.
>>> G={0: set(), 1: {11, 10, 19, 13}, 2: {11, 3, 5}, 3: {9, 2, 12, 17}, 4: {10, 5}, 5: {2, 19, 4, 6}, 6: {12, 5}, 7: {11}, 8:
{18}, 9: {10, 3}, 10: {9, 12, 4, 1}, 11: {1, 2, 7}, 12: {10, 3, 6}, 13: {1}, 14: set(), 15: {16}, 16: {15}, 17: {3}, 18: {8};
>>>
>>> cut_vertices(G)
{11, 1, 3}
>>> cut_vertices(C(6))
set()
>>> cut_vertices(P(6))
{2, 3, 4, 5}
>> cut_vertices(S(6))
{1}
Transcribed Image Text:3. Write a function named cut_vertices() which returns the list of cut vertices. This output should be given as a set. >>> G={0: set(), 1: {11, 10, 19, 13}, 2: {11, 3, 5}, 3: {9, 2, 12, 17}, 4: {10, 5}, 5: {2, 19, 4, 6}, 6: {12, 5}, 7: {11}, 8: {18}, 9: {10, 3}, 10: {9, 12, 4, 1}, 11: {1, 2, 7}, 12: {10, 3, 6}, 13: {1}, 14: set(), 15: {16}, 16: {15}, 17: {3}, 18: {8}; >>> >>> cut_vertices(G) {11, 1, 3} >>> cut_vertices(C(6)) set() >>> cut_vertices(P(6)) {2, 3, 4, 5} >> cut_vertices(S(6)) {1}
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