[Solved] You wrote this code but get an error:import matplotlib.pyplot as plt matplotlib.use('TkAgg') plt.plot([1, 2], [3, 4]) plt.show()What is the likely cause? | Matplotlib

Matplotlib - Interactive Features

You wrote this code but get an error:

import matplotlib.pyplot as plt
matplotlib.use('TkAgg')
plt.plot([1, 2], [3, 4])
plt.show()

What is the likely cause?

ABackend must be set before importing pyplot

BThe 'TkAgg' backend is not installed

Cplt.plot() syntax is incorrect

Dplt.show() cannot be used with 'TkAgg'

Step-by-Step Solution

Solution:

Step 1: Check backend setting order
The backend must be set before importing pyplot to avoid errors.
Step 2: Analyze the code order
Here, pyplot is imported before setting backend, causing the error.
Final Answer:
Backend must be set before importing pyplot -> Option A
Quick Check:
Set backend before pyplot import = A [OK]

Quick Trick: Set backend before importing pyplot to avoid errors [OK]

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