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pantera1 [17]
2 years ago
15

I will mark you as BRAINLIEST if you give me the correct answer of the questions... Pls asap with all details i am time limited

Computers and Technology
2 answers:
Alex_Xolod [135]2 years ago
6 0

Answer:

11. 1million square decimetres (from online)

20. assuming room is rectangular,

length= (p - 2b)/2

because perimeter= 2 length + 2 breadth for rectangular

Ket [755]2 years ago
5 0

perimeter of room will be

2×(l+b)

hope it helps you

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In this exercise, you will get some practice with the __add__ method by implementing it for a class called ContactBook. This cla
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Answer:

class ContactBook():

   def __init__(self):

       self.contacts ={}

   def __repr__(self):

       return str(self.contacts)

   def add_contact(self,name,number):

       self.contacts[name] = number

   def __add__(self, other):

       new_contact = ContactBook()

       other_contact = other.contacts.keys()

       for name,num in self.contacts.items():

           if name in other_contact:

               new_contact.add_contact(name,num or other_contact[name])

           else:

               new_contact.add_contact(name,num)

       for name,num in other.contacts.items():

           if name not in self.contacts:

               new_contact.add_contact(name, num)

       return new_contact-

cb1 = ContactBook()

cb2 = ContactBook()

cb1.add_contact('Jonathan','444-555-6666')

cb1.add_contact('Puneet','333-555-7777')

cb2.add_contact('Jonathan','222-555-8888')

cb2.add_contact('Lisa','111-555-9999')

print(cb1)

print(cb2)

cb3 = cb1+cb2

print(cb3)

Explanation:

The ContactBook class holds the contact details of an instance of the class. The class has three magic methods the '__repr__', '__init__', and the '__add__' which is the focus of the code. The add magic method in the class adds the contact book (dictionary) of two added object instance and returns a new class with the contact details of both operand instances which is denoted as self and other.

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