<｜begin▁of▁sentence｜>### Instruction:
How can you start an interactive IPython shell session within an igraph application, utilizing the IPythonShell class to provide an embedded shell with separator lines removed?
### Response:
from igraph.app.shell import IPythonShell

# Initialize the IPython shell instance
shell = IPythonShell()

# Start the interactive IPython session
shell.mainloop()
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