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What is the effect of calling mplcursors.cursor() on a matplotlib Axes object?

easy📝 Conceptual Q1 of 15
Matplotlib - Interactive Features
What is the effect of calling mplcursors.cursor() on a matplotlib Axes object?
AIt automatically saves the plot as an image file.
BIt enables interactive hover annotations on the plot elements within the Axes.
CIt clears all existing plot elements from the Axes.
DIt changes the plot style to a default theme.
Step-by-Step Solution
Solution:
  1. Step 1: Understand mplcursors.cursor()

    This function creates a cursor object that enables interactive annotations on plot elements.
  2. Step 2: Effect on Axes

    When called on an Axes, it attaches hover labels to the plot elements inside it.
  3. Final Answer:

    It enables interactive hover annotations on the plot elements within the Axes. -> Option B
  4. Quick Check:

    Hover labels appear on mouseover [OK]
Quick Trick: mplcursors.cursor() adds hover labels to plot elements [OK]
Common Mistakes:
  • Thinking it saves or exports the plot
  • Assuming it modifies plot styles
  • Believing it clears the plot

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