ALTSCHOOL AFRICA CIRCLE 7 (23/8/25)

What is the index of the first element in a Python list?

• 0

• 1

• -1

• None

Which of the following creates a list in Python?

• list = (1,2,3)
  

• list = {1,2,3}
  

• list = <1,2,3>
  

• list = [1,2,3]

1. Which method adds an item to the end of a list?
   
   
   
   
   

• 1. insert()

• 1. extend()
     

• 1. add()
     

• 1. append()

1. What will len([10, 20, 30]) return?
   
   
   
   
   

• 1. 4

• 1. 2

• 1. 3

• 1. Error

1. Which of these will remove the first occurrence of 20 from [10, 20, 30, 20]?
   

• list.pop(20)
  

• 1. list.delete(20)
     

• 1. list.discard(20)
     

• 1. list.remove(20)

1. hat is the output of x = [[1,2],[3,4]]; print(x[1][0])?
   

• 1. 3

• 1. 4

• 1. 2

• 1. 1

1. Which of the following correctly defines a nested list?
   

• 1. [1,2,3,4]
     

• 1. [1, [2, 3], 4]
     

• 1. [[1,2,3,4]]
     

• 1. Both B and C

What will x = [[10,20],[30,40]]; print(len(x)) return?

• 3

• 2

• 4

• Error

1. Which statement accesses the value 20 in y = [[10, 20], [30, 40]]?
   

• 1. y[0][0]
     

• y[1][0]
  

• 1. y[0][1]
     

• 1. 
     y[1][1]

1. What is the output of z = [[1,2,3],[4,5]]; print(z[1][1])?
   

• 1. 2

• 1. 3

• 1. 4

• 1. 5