[Python Study Notes] Double-decker histogram drawing

"" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "", "" "". "" "" "" "" "" "" "" "," "" "" "," "" "" "," "" "," "" ">> Double histogram .py>> Author: Liu Yang>> e-mail: [email protected]>> blog: Www.cnblogs.com/liu66blog "" " "" "" "" "" "" "" "" "" "" "" "" "" "" "" "." "" "" "" "" "" "" "" "" "" "" "" "" #!/usr/bin/env python#-*-. " Coding:utf-8-*-import Matplotlibimport Matplotlib.pyplot as plt# specifies the font to prevent font=matplotlib.font_manager. Fontproperties (fname=r "C:\Windows\Fonts\Deng.ttf") # double histogram Def barsplot (): # Mr. # into a canvas fig=plt.figure () # Generate Data x1=    [x-0.2 for X in range (1,9)] y1=[n*2 for n in range (1,9) "x2=[x+0.2 for x in range (1,9)] y2=[x**2 for x in X2] # Start Drawing bar Figure 1 L1=plt.bar (x1,y1,color= ' G ', width=0.4) # start to draw bar graph 2 L2=plt.bar (x2,y2,color= ' B ', width=0.4) # Show picture of the drawing plt . Xlabel (' x axis information ', Fontproperties=font) plt.ylabel (' Y axis info ', Fontproperties=font) plt.title (' Double histogram ', Fontproperties=font ) Plt.legend (handles = [L1, L2,], labels = [' Last year ', ' this year '], loc = ' best ', prop=font) for x1,x2, Y1, y2 in zip (x1,x2, y1, y2): Plt.text (x1, y1, '%.0f '% y1, ha= ' center ', va= ' bottom ') Plt.text (x2, y2, '%.0f '% y2, ha= ' center ', va= ' bottom ') plt.show () # If the most main module runs if __name__ = = ' __main__ ': # Instantiate BA =barsplot ()

[Python Study Notes] Double-layered histogram drawing