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Given the following text description, write Python code to implement the functionality described below step by step
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Description:
 Encontro 03
Step1:  Carregando e visualizando o grafo
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Python Code:
import sys
sys.path.append('..')
import socnet as sn
Explanation: Encontro 03: Grafos Reais
Importando a biblioteca:
End of explanation
sn.node_size = 3
sn.node_color = (0, 0, 0)
sn.edge_width = 1
sn.edge_color = (192, 192, 192)
sn.node_label_position = 'top center'
g = sn.load_graph('twitter.gml')
sn.show_graph(g, nlab=True)
Explanation: Carregando e visualizando o grafo:
End of explanation
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