Grouped bar charts in Matplotlib - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the matplotlib library.

Matplotlib

import [1] as plt

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

Amatplotlib.pyplot

Bnumpy

Cpandas

Dseaborn

Attempts:

3 left

💡 Hint

Common Mistakes

Importing the wrong library like numpy or pandas.

Forgetting to import pyplot specifically.

We import matplotlib.pyplot as plt to create plots.

2fill in blank

medium

Complete the code to create a list of categories for the x-axis.

Matplotlib

categories = ['A', 'B', 'C', [1]]

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A4

B'1'

C['D']

D'D'

Attempts:

3 left

💡 Hint

Common Mistakes

Using a number instead of a string for category.

Adding a list inside the list.

Categories should be strings representing groups, so 'D' is correct.

3fill in blank

hard

Fix the error in the code to set the width of each bar.

Matplotlib

bar_width = [1]

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A1.5

B0.5

C5

D'0.5'

Attempts:

3 left

💡 Hint

Common Mistakes

Using a string instead of a number.

Using a width larger than 1 causing bars to overlap.

The bar width should be a float less than 1 to avoid overlap.

4fill in blank

hard

Fill both blanks to correctly calculate the x positions for the second group of bars.

Matplotlib

x2 = [x + [1] for x in x1]
plt.bar(x2, group2, width=[2], label='Group 2')

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Abar_width

B0.1

Cbar_width / 2

Dbar_width * 2

Attempts:

3 left

💡 Hint

Common Mistakes

Using a smaller shift causing bars to overlap.

Using different widths causing uneven bars.

We shift the second group's bars by bar_width to place them side by side and use the same width.

5fill in blank

hard

Fill all three blanks to create a grouped bar chart with labels and legend.

Matplotlib

plt.bar(x1, [1], width=[2], label='Group 1')
plt.bar(x2, [3], width=bar_width, label='Group 2')
plt.legend()

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

Agroup1

Bbar_width

Cgroup2

Dcategories

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up data variables for groups.

Forgetting to add legend for clarity.

We plot group1 and group2 data with the same bar_width and add a legend to distinguish groups.