<｜begin▁of▁sentence｜>### Instruction:
As a network analyst working with Python and networkx, if you are using an igraph integrated shell environment, you may need to execute a Python command using the ClassicPythonShell's __call__ method to print specific information about the network graph, such as node attributes or edge weights. Can you provide details about the specific graph or network that you are working with, and the particular information you are looking to print using the ClassicPythonShell's __call__ method?
### Response:
from igraph.app.shell import ClassicPythonShell

shell = ClassicPythonShell()
# Execute a command in the shell just like using __call__
result = shell('print(\'Hello from the igraph shell!\')')
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