module 4 fns stk queue Python Programming Quiz

What is a global variable in Python?

• Defined inside a function

• Defined outside all functions

• Defined only in __main__

• Must be declared using global

What will be printed? x = 10 def show(): x = 5 print(x) show() print(x)

• 5 and 5

• 10 and 10

• 5 and 10

• Error

Which keyword is used to modify a global variable inside a function?

• nonlocal

• this

• global

• public

Which scope rule does Python follow for name resolution?

• LIFO

• LEGB

• FIFO

• OOP

If a variable is declared inside a function without global, it is:

• Local

• Global

• Class variable

• Static

What is the output? x = 100 def f(): global x x = 50 f() print(x)

• 100

• 50

• Error

• None

What does nonlocal keyword do?

• Declares variable global

• Declares variable local

• Refers to enclosing function variable

• Deletes a variable

What is the output? def outer(): y = 10 def inner(): nonlocal y y += 5 print(y) inner() outer()

• 10

• 15

• Error

• None

Which is TRUE?

• A global variable cannot be modified inside a function

• Local variables override global variables with same name

• Global variables have higher priority than locals

• Variables in __main__ cannot be accessed

What is printed? z = 5 def test(): print(z+10) test()

• 10

• 15

• 5

• Error