[Solved] Identify the error in this animation code snippet: import matplotlib.pyplot as plt import matplotlib.animation as animation fig, ax = plt.subplots() line, = ax.plot([], []) def update(frame):... | Matplotlib

Matplotlib - Animations

Identify the error in this animation code snippet:

import matplotlib.pyplot as plt
import matplotlib.animation as animation

fig, ax = plt.subplots()
line, = ax.plot([], [])

def update(frame):
    x = range(frame)
    y = [i*2 for i in x]
    line.set_data(x, y)

ani = animation.FuncAnimation(fig, update, frames=10, blit=True)
plt.show()

AThe plot line is not initialized correctly

BThe frames argument should be a list, not an integer

CThe update function does not return the line object

Dplt.show() is missing

Step-by-Step Solution

Solution:

Step 1: Check update function return
When using blit=True, the update function must return the modified artists as a tuple.
Step 2: Identify missing return
The update function does not return anything, so animation will not update properly.
Final Answer:
The update function does not return the line object -> Option C
Quick Check:
Return updated artists when blitting [OK]

Quick Trick: Return updated plot elements when blitting [OK]

Common Mistakes:

Forgetting to return updated artists in update function
Thinking frames must be a list always
Assuming plt.show() is optional

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More Matplotlib Quizzes

Identify the error in this animation code snippet:

Step 1: Check update function return

Step 2: Identify missing return

Final Answer:

Quick Check:

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