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:
print("Exception
occurred..")
return 0
class Main_Calc():
choice = "yes"
while(choice!="no"):
try:
n =
int(input("How many terms: "))
Object_pi=Leibniz()
print(Object_pi.calculate_pi(n))
choice =
input("Want to run it again (yes/no)? ")
except:
print("Enter the
Integer")
if __name__=="__main__":
Call_class=Main_Calc()
- Add methods which do calculations based on the pi attribute to the class which you wrote above.
- Modify your program module so that it demonstrates those new class methods. Be sure to correct any issues found with Homework 3
Homework Answers
class Leibniz:
def __init__(self):
self.total = 0
def calculate_pi(self, n):
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
class Main_Calc:
choice = "yes"
while choice != "no":
try:
n = int(input("How many terms: "))
Object_pi = Leibniz()
print(Object_pi.calculate_pi(n))
choice = input("Want to run it again (yes/no)? ")
except:
print("Enter the Integer")
if __name__ == "__main__":
Call_class = Main_Calc()
Add Answer to:
class Leibniz:
def __init__(self):
self.total=0
def calculate_pi(self,n):
...
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...
Take the class Person. class Person: """Person class""" def __init__(self, lname, fname, addy=''): self._last_name = lname...
Take the class Person. class Person: """Person class""" def __init__(self, lname, fname, addy=''): self._last_name = lname self._first_name = fname self._address = addy def display(self): return self._last_name + ", " + self._first_name + ":" + self._address Implement derived class Student In the constructor Add attribute major, default value 'Computer Science' Add attribute gpa, default value '0.0' Add attribute student_id, not optional Consider all private Override method display() Test your code with the following driver: # Driver my_student = Student(900111111, 'Song', 'River')...
Write a class called TemperatureFile. • The class has one data attribute： __filename • Write get...
Write a class called TemperatureFile. • The class has one data attribute： __filename • Write getter and setter for the data attribute. • Write a “calculateAverage” function (signature below) to calculate and return average temperature of all temperatures in the file. def calculateAverage(self): • Handle possible exceptions Write a main function: • Create a file ('Temperatures.txt’) and then use “write” method to write temperature values on each line. • Create an object of the TemperaureFile with the filename (‘Temperatures.txt’) just...
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...
in python and according to this #Creating class for stack class My_Stack: def __init__(self): self.items = [] def isEmpty(self): return self.items == [] def Push(self, d): self.items.append(d) def Po...
in
python and according to this
#Creating class for stack
class My_Stack:
def __init__(self):
self.items = []
def isEmpty(self):
return self.items == []
def Push(self, d):
self.items.append(d)
def Pop(self):
return self.items.pop()
def Display(self):
for i in reversed(self.items):
print(i,end="")
print()
s = My_Stack()
#taking input from user
str = input('Enter your string for palindrome checking:
')
n= len(str)
#Pushing half of the string into stack
for i in range(int(n/2)):
s.Push(str[i])
print("S",end="")
s.Display()
s.Display()
#for the next half checking the upcoming string...
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:...
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({}, {},...
COMPLETE THE _CONSTRUCT() AND CONSTRUCTTREE() FUNCTIONS class expressionTree: class treeNode: def __init__(self, value, lchild, rchild):...
COMPLETE THE _CONSTRUCT() AND CONSTRUCTTREE() FUNCTIONS class expressionTree: class treeNode: def __init__(self, value, lchild, rchild): self.value, self.lchild, self.rchild = value, lchild, rchild def __init__(self): self.treeRoot = None #utility functions for constructTree def mask(self, s): nestLevel = 0 masked = list(s) for i in range(len(s)): if s[i]==")": nestLevel -=1 elif s[i]=="(": nestLevel += 1 if nestLevel>0 and not (s[i]=="(" and nestLevel==1): masked[i]=" " return "".join(masked) def isNumber(self, expr): mys=s.strip() if len(mys)==0 or not isinstance(mys, str): print("type mismatch error: isNumber")...
(python please!) [21] The following code demonstrates the concept of method class Employee: def _init__(self): def...
(python please!)
[21] The following code demonstrates the concept of method class Employee: def _init__(self): def bonus(self): return self.salary * 0.05 class Staff(Employee): def __init__(self): def bonus(self): return self.salary * 0.10
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...
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...
in
python and according to this
#Creating class for stack
class My_Stack:
def __init__(self):
self.items = []
def isEmpty(self):
return self.items == []
def Push(self, d):
self.items.append(d)
def Pop(self):
return self.items.pop()
def Display(self):
for i in reversed(self.items):
print(i,end="")
print()
s = My_Stack()
#taking input from user
str = input('Enter your string for palindrome checking:
')
n= len(str)
#Pushing half of the string into stack
for i in range(int(n/2)):
s.Push(str[i])
print("S",end="")
s.Display()
s.Display()
#for the next half checking the upcoming string...
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 please!)
[21] The following code demonstrates the concept of method class Employee: def _init__(self): def bonus(self): return self.salary * 0.05 class Staff(Employee): def __init__(self): def bonus(self): return self.salary * 0.10
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