LEC Short Quiz # 2

What is a global variable in Python?

• A variable set inside a function

• A variable declared outside all functions

• A variable removed after function ends

• A variable used only in one function

What happens to a local variable after the function ends?

• It stays accessible to all

• It is removed and not reused

• It turns into a global variable

• It is kept for later access

Which keyword allows you to change a global variable from inside a function?

• local

• global

• lambda

• function

What best describes a lambda function in Python?

• A function with more than one line

• A tiny anonymous one-line function

• A function that sets global values

• A regular function using lambda

Which of the following shows the lambda function syntax?

• lambda args: output

• def name(args): output

• function(args): result

• lambda output: args

How is a lambda function different from a normal function?

• Lambda allows multiple lines

• Named functions are anonymous

• Lambda is one-line and unnamed

• Regular functions can't use input

Why are functions used in Python?

• To increase code length

• To simplify and reuse code

• To make code more complex

• To store global variables

Which is true about a local variable?

• It can be used anywhere

• It is outside any function

• It works only in its function

• It modifies a global value

What is needed to update a global variable in a function?

• The 'lambda' keyword

• The 'global' keyword

• Defining it again inside

• Accessing it with input

What defines a lambda function?

• It takes many code lines

• It uses 'global' by default

• It is one-line and unnamed

• It works only with globals