<｜begin▁of▁sentence｜>### Instruction:
Given a graph with the node set [0, 1, 2, 3] connected in a path (0-1-2-3), and initial positions generated by the spring_layout algorithm, can you provide a code snippet that uses NetworkX's rescale_layout API to center and rescale these positions to a specified scale (e.g., 2 times the original scale)?
### Response:
import networkx as nx
import numpy as np

# Let's say you have a graph G
G = nx.path_graph(4)
pos = nx.spring_layout(G)  # initial positions

# Use the rescale_layout function
centered_and_scaled_pos = nx.rescale_layout(pos, scale=2)

print('Original positions:\n', pos)
print('Centered and scaled positions:\n', centered_and_scaled_pos)
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