Code Example 14-3 class Multiplier: def __init__(self): self.num1 = 0 self.num2 = 0 def...
Code Example 14-3
class Multiplier:
def __init__(self):
self.num1 = 0
self.num2 = 0
def getProduct(self):
return self.num1 *
self.num2
def main():
m = Multiplier()
m.num1 = 7
m.num2 = 3
print(m.num1, "X", m.num2, "=",
m.getProduct())
if __name__ == "__main__":
main()
Refer to Code Example 14-3: When this code is executed, what does it print to the console?
| a. |
7 X 3 = 0 |
|
| b. |
3 X 7 = 0 |
|
| c. |
7 X 3 = 21 |
|
| d. |
3 X 7 = 21 |
What do you typically use to model the relationships between the classes in an object-oriented program?
| a. |
UML diagrams |
|
| b. |
Hierarchy charts |
|
| c. |
Pseudocode |
|
| d. |
Object models |
In a three-tier architecture, the database tier stores the code that
| a. |
handles all monetary transactions |
|
| b. |
controls the user interface |
|
| c. |
accesses the file or database |
|
| d. |
defines the business objects |
Homework Answers
2 numbers of Multiplier are num1=7 and num2=3
output would be 7 X 3 = 21
To Model relationships between classes in object-oriented
program is
(a). UML diagrams
In a three-tier architecture, the database tier stores the code
that
accesses the file or database
(c)
Add Answer to:
Code Example 14-3
class Multiplier:
def __init__(self):
self.num1 = 0
self.num2 = 0
def...
class Leibniz: def __init__(self): self.total=0 def calculate_pi(self,n): ...
class Leibniz: def __init__(self): self.total=0 def calculate_pi(self,n): try: self.total, sign = 0, 1 for i in range(n): term = 1 / (2 * i + 1) self.total += term * sign sign *= -1 self.total *= 4 return self.total except Exception as e: ...
Consider following flower class. class Flower: def __init__(self, Fname, numberofpetals, Fprice): self.Fname = Fname self.numberofpetals =...
Consider following flower class. class Flower: def __init__(self, Fname, numberofpetals, Fprice): self.Fname = Fname self.numberofpetals = numberofpetals self.Fprice = Fprice def getName(self): return self.Fname def getPetalsCount(self): return self.numberofpetals def getPrice(self): return self.Fprice def setName(self, Fname): self.Fname = Fname def setPetalsCount(self, numberofpetals): self.numberofpetals = numberofpetals def setPrice(self, Fprice): self.Fprice = Fprice def main(): flower f, print("name = ", flower.getName()) flower.setName("jasmine") print("name = ", flower.getName()) main() Q. What is the statement to set an object flower with rose , 4 and price...
ill thumb up do your best python3 import random class CardDeck: class Card: def __init__(self, value):...
ill thumb up do your best
python3
import random
class CardDeck:
class Card:
def __init__(self, value):
self.value = value
self.next = None
def __repr__(self):
return "{}".format(self.value)
def __init__(self):
self.top = None
def shuffle(self):
card_list = 4 * [x for x in range(2, 12)] + 12 * [10]
random.shuffle(card_list)
self.top = None
for card in card_list:
new_card = self.Card(card)
new_card.next = self.top
self.top = new_card
def __repr__(self):
curr = self.top
out = ""
card_list = []
while curr is not None:...
PYTHON -------------------------------------------------------- class LinkedList: def __init__(self): self.__head = None self.__tail = None
PYTHON
--------------------------------------------------------
class LinkedList:
def __init__(self):
self.__head = None
self.__tail = None
self.__size = 0
# Return the head element in the list
def getFirst(self):
if self.__size ==
0:
return
None
else:
return
self.__head.element
# Return the last element in the list
def getLast(self):
if self.__size ==
0:
return
None
else:
return
self.__tail.element
# Add an element to the beginning of the
list
def addFirst(self, e):
newNode = Node(e) #
Create a new node
newNode.next =
self.__head # link...
class BinaryTree: def __init__(self, data, left=None, right=None): self.__data = data self.__left = left self.__right = right...
class BinaryTree:
def __init__(self, data, left=None, right=None):
self.__data = data
self.__left = left
self.__right = right
def insert_left(self, new_data):
if self.__left == None:
self.__left = BinaryTree(new_data)
else:
t = BinaryTree(new_data, left=self.__left)
self.__left = t
def insert_right(self, new_data):
if self.__right == None:
self.__right = BinaryTree(new_data)
else:
t = BinaryTree(new_data, right=self.__right)
self.__right = t
def get_left(self):
return self.__left
def get_right(self):
return self.__right
def set_data(self, data):
self.__data = data
def get_data(self):
return self.__data
def set_left(self, left):
self.__left = left
def set_right(self, right):
self.__right...
Write a program that does the following in Python Code: Write a new Class called Famous_Day_Born which is a subclass of Famous_Person. Add a method to calculate the day of the week the person was born...
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class Population: def __init__(self, m=0, n=0, k=0): # 1 self.m = m self.n = n self.k...
class Population: def __init__(self, m=0, n=0, k=0): # 1 self.m = m self.n = n self.k = k self.encounter = 0 bac = [] bac = bac + [1] * self.m + [2] * self.n + [3] * self.k self.bac = bac def plasmids(self): # 2 set = (self.m, self.n, self.k) return set def __str__(self): # 3 return "type I: {}, type II: {}, type III: {} (after {} encounters)".format(self.m, self.n, self.k, self.encounter) def __repr__(self): # 4 return "Population({}, {},...
class Node(object): def __init__(self, data, next=None): self.data = data self.next = next class List(object): def...
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ill thumb up do your best
python3
import random
class CardDeck:
class Card:
def __init__(self, value):
self.value = value
self.next = None
def __repr__(self):
return "{}".format(self.value)
def __init__(self):
self.top = None
def shuffle(self):
card_list = 4 * [x for x in range(2, 12)] + 12 * [10]
random.shuffle(card_list)
self.top = None
for card in card_list:
new_card = self.Card(card)
new_card.next = self.top
self.top = new_card
def __repr__(self):
curr = self.top
out = ""
card_list = []
while curr is not None:...
PYTHON
--------------------------------------------------------
class LinkedList:
def __init__(self):
self.__head = None
self.__tail = None
self.__size = 0
# Return the head element in the list
def getFirst(self):
if self.__size ==
0:
return
None
else:
return
self.__head.element
# Return the last element in the list
def getLast(self):
if self.__size ==
0:
return
None
else:
return
self.__tail.element
# Add an element to the beginning of the
list
def addFirst(self, e):
newNode = Node(e) #
Create a new node
newNode.next =
self.__head # link...
class BinaryTree:
def __init__(self, data, left=None, right=None):
self.__data = data
self.__left = left
self.__right = right
def insert_left(self, new_data):
if self.__left == None:
self.__left = BinaryTree(new_data)
else:
t = BinaryTree(new_data, left=self.__left)
self.__left = t
def insert_right(self, new_data):
if self.__right == None:
self.__right = BinaryTree(new_data)
else:
t = BinaryTree(new_data, right=self.__right)
self.__right = t
def get_left(self):
return self.__left
def get_right(self):
return self.__right
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self.__data = data
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return self.__data
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self.__left = left
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self.__right...
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