Matplotlib donut chart

donut.py

import matplotlib.pyplot as plt

config_colors = {
    'red': '#f05e5e',
    'orange': '#ffcf62',
    'green': '#8fc980',
    'blue': '#695ff6',
    'purple': '#413aa1',
    'grey': '#84839c'
}
 
# create data
size_of_groups=[25,25,25,25]
colors = [config_colors['red'], config_colors['orange'], config_colors['blue'], config_colors['green']]
 
# Figure size 1inch by 1inch (80px by 80px)
plt.figure(figsize=(3, 3))

# Create a pieplot
plt.pie(size_of_groups, colors=colors)
#plt.show()
 
# add a circle at the center
my_circle=plt.Circle( (0,0), 0.7, color='white')
p=plt.gcf()
p.gca().add_artist(my_circle)

plt.axis('equal')

# Uncomment to show
# plt.show()

plt.savefig('foo.png', bbox_inches='tight', transparent="True", pad_inches=0)