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What is wrong with this pick event connection code?

medium📝 Debug Q7 of 15
Matplotlib - Interactive Features
What is wrong with this pick event connection code?
fig.canvas.mpl_connect('pick', on_pick)
AThe event name should be uppercase 'PICK_EVENT'
BThe handler function must be named 'on_pick_event'
Cmpl_connect cannot be used on fig.canvas
DThe event name should be 'pick_event', not 'pick'
Step-by-Step Solution
Solution:
  1. Step 1: Check the correct event name for pick events

    The correct event name is 'pick_event', not 'pick'.
  2. Step 2: Verify other parts

    Handler function name can be anything, mpl_connect is used on fig.canvas, and event names are lowercase.
  3. Final Answer:

    The event name should be 'pick_event', not 'pick' -> Option D
  4. Quick Check:

    Correct event name = 'pick_event' [OK]
Quick Trick: Use exact event name 'pick_event' in mpl_connect [OK]
Common Mistakes:
  • Using wrong event names like 'pick'
  • Assuming handler name matters for connection

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