Transparent backgrounds in Matplotlib - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to save the plot with a transparent background.

Matplotlib

import matplotlib.pyplot as plt
plt.plot([1, 2, 3], [4, 5, 6])
plt.savefig('plot.png', transparent=[1])

Drag options to blanks, or click blank then click option'

AFalse

BTrue

C'yes'

DNone

Attempts:

3 left

💡 Hint

Common Mistakes

Using a string instead of a boolean for the transparent parameter.

Forgetting to set transparent=True and getting a white background.

Setting transparent=True saves the plot with a transparent background.

2fill in blank

medium

Complete the code to create a figure with a transparent background.

Matplotlib

import matplotlib.pyplot as plt
fig = plt.figure(facecolor=[1])
plt.plot([1, 2, 3], [3, 2, 1])
plt.show()

Drag options to blanks, or click blank then click option'

A'none'

B'white'

C'black'

D'transparent'

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'transparent' which is not a valid color name.

Using 'white' which makes the background white, not transparent.

Setting facecolor='none' makes the figure background transparent.

3fill in blank

hard

Fix the error in the code to save the plot with a transparent background.

Matplotlib

import matplotlib.pyplot as plt
plt.plot([1, 2, 3], [3, 2, 1])
plt.savefig('plot.png', transparent=[1])

Drag options to blanks, or click blank then click option'

ATrue

B'True'

C1

DNone

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'True' as a string instead of True as a boolean.

Using 1 which may work but is not the recommended boolean.

The transparent parameter must be a boolean True, not a string.

4fill in blank

hard

Fill both blanks to create and save a plot with a transparent figure and save background.

Matplotlib

import matplotlib.pyplot as plt
fig = plt.figure(facecolor=[1])
plt.plot([1, 2, 3], [1, 4, 9])
plt.savefig('plot.png', transparent=[2])

Drag options to blanks, or click blank then click option'

A'none'

BTrue

C'white'

DFalse

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'white' for facecolor which is not transparent.

Setting transparent=False which disables transparency on save.

Use facecolor='none' for transparent figure background and transparent=True to save with transparent background.

5fill in blank

hard

Fill all three blanks to create a transparent figure, plot data, and save with transparent background.

Matplotlib

import matplotlib.pyplot as plt
fig = plt.figure(facecolor=[1])
plt.plot([[2]], [[3]])
plt.savefig('plot.png', transparent=True)

Drag options to blanks, or click blank then click option'

A'none'

B1, 2, 3

C3, 2, 1

D'white'

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'white' for facecolor which is not transparent.

Swapping x and y data lists causing confusing plots.

facecolor='none' makes figure background transparent; plotting x=[1,2,3] and y=[3,2,1] shows data; saving with transparent=True keeps background transparent.