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What will be printed by the following code snippet?

medium📝 Predict Output Q4 of 15
Matplotlib - Interactive Features
What will be printed by the following code snippet?
import matplotlib.pyplot as plt
from matplotlib.widgets import Slider

fig, ax = plt.subplots()
plt.subplots_adjust(left=0.25)
ax_slider = plt.axes([0.1, 0.1, 0.8, 0.05])
slider = Slider(ax_slider, 'Range', 1, 20, valinit=10)
print(slider.val)
A20
B1
C10
D0
Step-by-Step Solution
Solution:
  1. Step 1: Understand Slider Initialization

    The slider is created with a value range from 1 to 20 and an initial value (valinit) of 10.
  2. Step 2: Check the Printed Value

    The code prints slider.val, which returns the current value of the slider, initially set to 10.
  3. Final Answer:

    10 -> Option C
  4. Quick Check:

    Initial slider value matches printed output [OK]
Quick Trick: Slider.val returns the current slider value [OK]
Common Mistakes:
  • Confusing valinit with slider minimum or maximum
  • Assuming slider.val is zero before interaction

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