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from IPython.core.display import display, HTML
display(HTML("<style>.container { width:90% !important; }</style>"))

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# pyconcorde: https://github.com/jvkersch/pyconcorde
from concorde.tsp import TSPSolver

num=30
X = np.random.random(num)*10**6
Y = np.random.random(num)*10**6

solver = TSPSolver.from_data(X, Y, norm='EUC_2D')
solution = solver.solve()

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for i in range(5):
    print(i)
# output:
# 0
# 1
# 2
# 3
# 4

# print end option

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from tqdm import tqdm_notebook as tqdm

pbar = tqdm(total=10)
for i in range(10):
    pbar.update(1)
pbar.close()

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from tqdm import tqdm_notebook as tqdm

def min_matching(edges):
    # Find odd-degree nodes in MST
    odd = []
    for i in range(num):
        cnt = 0
        for e in sum(edges, []):
            if i == e:
                cnt += 1

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