[Solved] What is wrong with this code snippet? import matplotlib matplotlib.use('Agg') plt.plot([1, 2, 3]) plt.savefig('plot.png') | Matplotlib

Matplotlib - Performance and Large Data

What is wrong with this code snippet?

import matplotlib
matplotlib.use('Agg')
plt.plot([1, 2, 3])
plt.savefig('plot.png')

Aplt is not imported before use

Bmatplotlib.use('Agg') must be called after plt import

CAgg backend does not support savefig

DNo error; code is correct

Step-by-Step Solution

Solution:

Step 1: Check imports
plt (matplotlib.pyplot) is used but not imported.
Step 2: Confirm backend usage
Backend is set correctly before pyplot import, but pyplot import is missing.
Final Answer:
plt is not imported before use -> Option A
Quick Check:
Always import pyplot as plt before use [OK]

Quick Trick: Import pyplot as plt before using it [OK]

Common Mistakes:

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What is wrong with this code snippet?