import matplotlib.pyplot as plt
plt.rcParams["figure.figsize"] = [7.00, 3.50]
plt.rcParams["figure.autolayout"] = True
x = ['A', 'B', 'C', 'D', 'E']
y = [1, 3, 2, 0, 4]
percentage = [10, 30, 20, 0, 40]
ax = plt.bar(x, y)
for x, y, p in zip(x, y, percentage):
   plt.text(x, y, p)
plt.show()