import matplotlib.pyplot as plt

sizes = [11, 12, 33, 56]
labels = [''''Jan'''', ''''Feb'''', ''''Mar'''', ''''Apr'''']

plt.pie(sizes, labels=labels, autopct=''''%1.1f%%'''')
plt.title(''''Pie Chart'''')
plt.show()

import matplotlib.pyplot as plt

labels = [''''A'''', ''''B'''', ''''C'''', ''''D'''', ''''E'''']
data1 = [10, 20, 30, 20, 20]
data2 = [15, 25, 10, 30, 20]
fig, ax = plt.subplots()
ax.pie(data1, labels=labels, radius=1, wedgeprops=dict(width=0.3, edgecolor=''''w''''), labeldistance=1.1)
ax.pie(data2, radius=0.7, wedgeprops=dict(width=0.3, edgecolor=''''w''''))
plt.title(''''Donut Chart with Multiple Series'''')
plt.show()

import matplotlib.pyplot as plt

labels = [''''A'''', ''''B'''', ''''C'''', ''''D'''', ''''E'''']
data1 = [10, 20, 30, 20, 20]
data2 = [15, 25, 10, 30, 20]
data3 = [5, 15, 25, 35, 20]
fig, (ax1, ax2, ax3) = plt.subplots(1, 3, figsize=(15, 5))
ax1.pie(data1, labels=labels, autopct=''''%1.1f%%'''', startangle=90)
ax1.set_title(''''Series 1'''')
ax2.pie(data2, labels=labels, autopct=''''%1.1f%%'''', startangle=90)
ax2.set_title(''''Series 2'''')
ax3.pie(data3, labels=labels, autopct=''''%1.1f%%'''', startangle=90)
ax3.set_title(''''Series 3'''')
plt.suptitle(''''Pie Charts with Multiple Series'''')
plt.show()