<｜begin▁of▁sentence｜>### Instruction:
Given that you want to start an interactive IPython session within an igraph application, how would you invoke the session using the IPythonShell class provided by igraph's application shell module?
### Response:
from igraph.app.shell import IPythonShell

# Instantiate the IPython shell object
shell = IPythonShell()

# Call the shell to start an embedded IPython session
shell()
<|EOT|>
