How to draw pie chart, broken line chart and circle chart by Python

This article mainly introduces how Python draws pie charts, broken lines and circles. It is very detailed and has a certain reference value. Friends who are interested must read it!

Example:

From math import piimport matplotlib.pyplot as plt cat = ['Speed',' Reliability', 'Comfort',' Safety', 'Effieciency'] values = [90,60,65,70,40] N = len (cat) x_as = [n / float (N) * 2 * pi for n in range (N)] ax = plt.subplot (111plt.xticks (x_as) ax.plot (x_as, values, linewidth=1, linestyle='solid', zorder=3) plt.show ()

Import matplotlib.pyplot as pltfrom palettable.colorbrewer.qualitative import Pastel1_7my_dpi=96plt.figure (figsize= (480/my_dpi, 480/my_dpi), dpi=my_dpi) names='groupA', 'groupB',' groupC', 'groupD',size= [12 my_circle=plt.Circle ((0L0), color='white') plt.pie (size, labels=names Colors=Pastel1_7.hex_colors) p=plt.gcf () p.gca (). Add_artist (my_circle) plt.show () import pandas as pdimport matplotlib.pyplot as pltdf = pd.DataFrame ([8 beacons, 1 add_artist 2], index= ['ahem,' baked, 'crested,' d'], columns= ['x']) my_dpi=96plt.figure (figsize= (480/my_dpi, 480/my_dpi), dpi=my_dpi) df.plot (kind='pie', subplots=True, figsize= (8)) plt.show ()

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