# Filename: classVolume.py
# Demonstrates multiple classes per program.
class Cube:
"""A class for cube shapes."""
def __init__(self, side):
self.side = side
def calculateArea(self):
return (self.side)**3.0
class Sphere:
"""A class for sphere shapes."""
def __init__(self, radius1):
self.radius1 = radius1
def calculateArea(self):
import math
return (4/3)*(math.pi)*((self.radius1)**3.0)
class Cone:
"""A class for cone shapes."""
def __init__(self, radius2, height):
self.radius2 = radius2
self.height = height
def calculateArea(self):
import math
return (1/3.0)*(math.pi)*(self.height)*((self.radius2)**2)
# Create a list of volumes.
list = [Cube(1.1),Cube(1.2),Sphere(1.1),Sphere(1.2),Cone(1.1),Cone(1.2)]
# Print out the list contents.
for volume in list:
print "The volume is: ", volume.calculateArea()
raw_input("\n\nPress the enter key to exit.")
Traceback (most recent call last):
File "classVolume.py", line 30, in <module>
list = [Cube(1.1),Cube(1.2),Sphere(1.1),Sphere(1.2),Cone(1.1),Cone(1.2)]
TypeError: __init__() takes exactly 3 arguments (2 given)
--
Shurui Liu (Aaron Liu)
Computer Science & Engineering Technology
University of Toledo
419-508-1228
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