<｜begin▁of▁sentence｜>### Instruction:
Assuming you're working within an IPython environment (like Jupyter Notebook), how can you check if there is a progress handler set for the IPython shell and use it to monitor the progress of a long-running task?
### Response:
from IPython.get_ipython import get_ipython

# Assuming you're inside an IPython environment (like a Jupyter Notebook)
ipython_shell = get_ipython()

# Get the current progress handler, if it exists
progress_handler = ipython_shell.get_progress_handler()

# Check if a progress handler is set and use it
if progress_handler:
    # Assuming we have a long-running process we want to monitor
    for i in range(100):
        # Update progress (this is just a placeholder example)
        progress_handler(i / 100.0)
        # Your long-running task code here
else:
    print('No progress handler is set.')
<|EOT|>
