<｜begin▁of▁sentence｜>### Instruction:
Given a graph where nodes have a 'color' attribute with possible values 'red' and 'blue', how can we use NetworkX to determine the count of edges that connect nodes of different colors, specifically, the count of connections between 'red' and 'blue' nodes?
### Response:
import networkx as nx

# Create a graph
G = nx.Graph()

# Add nodes with a color attribute
G.add_nodes_from([0, 1], color="red")
G.add_nodes_from([2, 3], color="blue")

# Add an edge between nodes of different colors
G.add_edge(1, 3)

# Get the attribute mixing dict
mixing_dict = nx.attribute_mixing_dict(G, "color")

# Print the mixing between red and blue
echo_red_and_blue = mixing_dict["red"]["blue"]
echo_blue_and_red = mixing_dict["blue"]["red"]
print("Mixing between red and blue:", echo_red_and_blue)
print("Mixing between blue and red:", echo_blue_and_red)
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