<｜begin▁of▁sentence｜>### Instruction:
Given a graph created using NetworkX's path_graph function with 4 nodes, can you generate the corresponding GraphML representation with pretty printing enabled?
### Response:
import networkx as nx

# Create a graph
G = nx.path_graph(4)

# Generate GraphML lines
for line in nx.generate_graphml(G, prettyprint=True):
    print(line)
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