import matplotlib.pyplot as plt

cat = ['Jan','Feb','Mar','Apr']
val = [7,8,3,4]

plt.bar(cat, val)
plt.xlabel('2024')
plt.ylabel('Val')
plt.title('Bar Chart')
plt.show()

import matplotlib.pyplot as plt
import numpy as np

categories = ['A', 'B', 'C', 'D', 'E']
series1 = [5, 7, 8, 5, 6]
series2 = [6, 9, 5, 7, 8]
series3 = [4, 6, 7, 8, 5]
n = len(categories)
ind = np.arange(n)
width = 0.25
plt.bar(ind, series1, width, label='Series 1')
plt.bar(ind + width, series2, width, label='Series 2')
plt.bar(ind + 2 * width, series3, width, label='Series 3')
plt.title('Bar Chart with Multiple Series')
plt.xlabel('Category')
plt.ylabel('Values')
plt.legend()
plt.xticks(ind + width, categories)
plt.show()