Hello all how do I select just the first columns for this list so I only want to grab 1-11 and not the things inside the []
thank you!!
graph = {1: [9],
2: [3],
3: [4],
4: [6],
5: [6],
6: [8],
7: [2,8,9],
8: [11],
9: [],
10: [],
11: [10],
}