Python Learning matplotlib Combat

Import NumPy as Npdef main ():    #print ("Hello")    #line    import matplotlib.pyplot as Plt    x=np.linspace (- Np.pi,np.pi,256,endpoint=true)    #print (x)    c,s = Np.cos (x), Np.sin (x)    plt.figure (1) #绘制第一个图    Plt.plot (x,c,color= "Blue", linewidth=1.0,linestyle= "-", label= "COS", alpha=0.5) #绘制cos    plt.plot (x,s, "r*", label= "SIN") # Draw sin    plt.title ("Cos & sin") #添加标题    AX=PLT.GCA () #轴的编辑器    ax.spines["right"].set_color ("none")    ax.spines["Top"].set_color ("none")    ax.spines["left"].set_position (("Data", 0)    ax.spines[" Bottom "].set_position ((" Data ", 0))    plt.show () if __name__ = = ' __main__ ':    Main ()

　　

Python Learning matplotlib Combat