Answer:
The expression is :
π[cd) + π(g,h) ],[π(e,f)+π(a,b)])
We will use foreign key and primary key
Answer:
Complete Python code with step by step comments for explanation are given below.
Python Code:
# creating a function named scrabble_number that will take num as input argument
def scrabble_number(num):
# print the original number
print("The original number is: ",num)
# we can implement the required logic by using python built-in functions join() and zip()
scrambled = ''.join([char[1]+char[0] for char in zip(num[::2], num[1::2])])
# print the scrambled number
print("The scrambled number is: " + str(scrambled))
Driver code:
scrabble_number('123456')
Output:
The original number is: 123456
The scrambled number is: 214365
Answer:
False. A non void method must return something.
Explanation:
No, a non-void method has return statement in it and it returns a value based on the return type in the method declaration and the implementation of that method. Every non - void method has to return a value depending on its declaration. A non void method should have a return statement in it. As it is a non - void method and has return statement in it, it returns a value based on the implementation of that method. If a void method contains return statement in it, the method exits.
Answer:
many-to-many relationship
Explanation:
They are different types of relationship between projects. A many-to-many relationship occurs when a row in a table associates with many related rows in another table. For example the relationship between an employee and a project, An employee can work on many projects and a project can have many employees working on it.
Answer:
computer means a technology or digitalized form of technology which makes student life better by giving solution to the problem and promote creativenes.
