DX Python Training quiz

What is Python known for?

• Simplicity and readability

• Limited functionality
• Complexity and difficulty
• Speed and efficiency

What is difference between local and global variable?

• Local variables are declared within a specific function or block of code, while global variables are declared outside of any function.
• Local variables have a wider scope than global variables, allowing them to be used in multiple functions or blocks of code.
• Local variables can be accessed from anywhere in the program, while global variables are limited to the function or block of code where they are declared.
• Local variables are declared in the global scope, while global variables are declared within a specific function or block of code.

Which of the following is NOT a type of data type in Python?

• integer
• boolean
• string
• character

What is the purpose of the "try-except" block in Python?

• To execute a specific block of code multiple times
• To handle exceptions or errors
• To increase the speed of the code
• To define a new function

What is the purpose of the "pass" statement in Python?

• The purpose of the 'pass' statement in Python is to act as a placeholder for future code and to avoid syntax errors when no action is required.
• The purpose of the 'pass' statement in Python is to terminate the program
• The purpose of the 'pass' statement in Python is to execute a specific function
• The purpose of the 'pass' statement in Python is to print a specific message to the console

What is the difference between a list and a tuple in Python?

• A list can only contain integers while a tuple can contain any data type
• A list is ordered while a tuple is unordered
• The main difference is that a list is immutable and a tuple is mutable.

• The main difference is that a list is mutable and a tuple is immutable.

What is the purpose of the "del" keyword in Python?

• To add an item to a list or insert a key-value pair into a dictionary.
• To delete a class

• To delete a function

• To delete an item from a list or remove a key-value pair from a dictionary.

Which of the following is a valid Python variable name?

• my-variable

• MyVariable

• my_variable

• myVariable

What is the output of the following code snippet?
x = 5
y = 2
print(x / y)

• 2.5

• 2

• 2.0

• 2.2

What is the output of the following code snippet?
my_list = [1, 2, 3, 4, 5]

print(my_list[2:4])

• [2, 3]

• [3, 4, 5]

• [3, 4]

• [2, 3, 4]