In [9]:

    

#init
#calculate area
#print
class Rectangle(object):
    def __init__ (self, w=0, h=0):
        self.w=w
        self.h=h
        
    def get_area(self):
        return self.w*self.h
    
    def __str__(self):
        return("width:{}, height:{}, area:{}".format(self.w, self.h, self.get_area() ))


    

In [10]:

    

rec=Rectangle(w=3,h=4)


    

In [11]:

    

print(rec)


    

    




width:3, height:4, area:12

In [12]:

    

class Square(Rectangle):
    def __init__(self, edge):
        self.w=edge
        self.h=edge


    

In [13]:

    

sq=Square(5)


    

In [14]:

    

print(sq)


    

    




width:5, height:5, area:25

In [22]:

    

%matplotlib inline
import numpy as np
from matplotlib import pyplot as plt


    

In [23]:

    

x=np.arange(-1.0*np.pi, np.pi, 0.1)


    

In [24]:

    

y=np.sin(x)


    

In [26]:

    

plt.plot(x,y,'r--o')


    

    
Out[26]:





[<matplotlib.lines.Line2D at 0x8503a58>]






    

In [30]:

    

from myshape.rect import Rectangle as Rect


    

In [31]:

    

rect=Rect(5,7)


    

In [32]:

    

print(rect)


    

    




width:5, height:7, area:35

In [ ]: