<｜begin▁of▁sentence｜>### Instruction:
Given a main graph with edge set [(0, 1), (1, 2), (2, 3), (0, 3), (1, 3)], and a pattern graph with edge set [(0, 1), (1, 2)], how can we check if the main graph contains a subgraph that is isomorphic to the pattern graph considering induced subgraphs only? If the subgraph exists, how can we get the vertex mapping from the pattern graph to the main graph?
### Response:
from igraph import Graph

# Define the main graph
edges_main = [(0, 1), (1, 2), (2, 3), (0, 3), (1, 3)]
g_main = Graph(edges=edges_main)

# Define the pattern graph (subgraph template)
edges_pattern = [(0, 1), (1, 2)]
g_pattern = Graph(edges=edges_pattern)

# Perform the subisomorphic check (no domains, looking for induced subgraph)
is_subiso = g_main.subisomorphic_lad(g_pattern, domains=None, induced=True)

# Print result (True or False)
print(is_subiso)

# If we need the actual mapping
is_subiso, mapping = g_main.subisomorphic_lad(g_pattern, domains=None, induced=True, return_mapping=True)
print('Subisomorphic:', is_subiso)
print('Mapping:', mapping)
<|EOT|>
