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Python Programming - Functions

Exercise : Functions - General Questions
  • Functions - General Questions
16.
What is the purpose of the zip() function?
Combines two lists into a dictionary
Combines two lists into a tuple
Iterates over multiple iterables in parallel
Checks if a variable is of a certain type
Answer: Option
Explanation:
The zip() function is used to iterate over multiple iterables (e.g., lists) in parallel, creating tuples containing elements from each iterable.
17.
What will be the result of the following code snippet? 
def concatenate_strings(*args):
    return ''.join(args)

result = concatenate_strings('Hello', ' ', 'World!')
print(result)
'Hello World!'
'Hello, World!'
('Hello', ' ', 'World!')
Error
Answer: Option
Explanation:
The function concatenate_strings takes variable positional arguments and joins them into a single string.
18.
How do you define a recursive function?
Using the rec() keyword
Declaring a function inside another function
Specifying a return statement within a loop
A function calling itself
Answer: Option
Explanation:
A recursive function is defined by having the function call itself within its own definition.
19.
What is the purpose of the __init__() method in Python classes?
Initializes the class object
Declares a new instance variable
Defines the class constructor
Prints the class attributes
Answer: Option
Explanation:
The __init__() method is a special method in Python classes that is automatically called when a new instance of the class is created. It is used to initialize the object's attributes.
20.
What does the term "variable scope" refer to?
The lifetime of a variable
The region of the program where a variable can be accessed
The data type of a variable
The value assigned to a variable
Answer: Option
Explanation:
Variable scope refers to the part of the program where a variable is accessible.
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