<｜begin▁of▁sentence｜>### Instruction:
Given a Shell instance, can you use the get_status_handler function to check if a status handler exists and print a message indicating whether it is present?
### Response:
from shell import Shell

# Create or obtain a Shell instance
shell_instance = Shell()

# Get the status handler
status_handler = shell_instance.get_status_handler()

# Check if a status handler exists and print a message accordingly
if status_handler is not None:
    print('Status handler exists.')
else:
    print('No status handler found.')
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