List AL is defined as follows : AL = [1, 2, 3, 4, 5]
Which of the following statements removes the middle element 3 from it so that the list AL equals [1, 2, 4, 5] ?

1. del AL[2]
2. AL[2:3] = []
3. AL[2:2] = []
4. AL[2] = []
5. AL.remove(3)

Which two lines of code are valid strings in Python ?

1. This is a string
2. 'This is a string'
3. (This is a string)
4. "This is a string"

You have the following code segment :

String1 = "my"
String2 = "work"
print(String1+String2.upper())

What is the output of this code?

1. mywork
2. MY Work
3. myWORK
4. My Work

Which line of code produces an error ?

1. "one" + 'two'
2. 1 + 2
3. "one" + "2"
4. '1' + 2