<｜begin▁of▁sentence｜>### Instruction:
Given a path graph with 20 nodes, can you provide a Python code example that visualizes the graph using a spring layout?
### Response:
import networkx as nx
import matplotlib.pyplot as plt

# Create a graph
G = nx.path_graph(20)

# Draw the graph with a spring layout
nx.draw_spring(G)
plt.show()
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