Python Syntax Quiz

Which of the following is the correct way to declare a variable in Python?

• `int x = 10`

• `x = 10`

• `declare x = 10`

• `var x = 10`

Answer explanation

The correct way to declare a variable in Python is by using the syntax 'x = 10'. This assigns the value 10 to the variable x.

What is the correct syntax for an if statement in Python?

• `if x > 10 then:`

• `if (x > 10):`

• `if x > 10:`

• `if x > 10 {`

Answer explanation

The correct syntax for an if statement in Python is 'if x > 10:' without any additional characters like 'then' or '{'.

How do you define a function in Python?

• `function myFunction():`

• `def myFunction():`

• `func myFunction():`

• `define myFunction():`

Answer explanation

In Python, a function is defined using the 'def' keyword followed by the function name and parentheses. Therefore, the correct way to define a function in Python is 'def myFunction():'.

Which of the following is the correct way to create a list in Python?

• `myList = (1, 2, 3)`

• `myList = [1, 2, 3]`

• `myList = {1, 2, 3}`

• `myList = <1, 2, 3>`

Answer explanation

The correct way to create a list in Python is by using square brackets, like this: `myList = [1, 2, 3]`.

How do you add an element to a set in Python?

• `mySet.add(4)`

• `mySet.append(4)`

• `mySet.insert(4)`

• `mySet.push(4)`

Answer explanation

To add an element to a set in Python, you use the method mySet.add(4). This is the correct way to add elements to a set.

What is the correct way to open a file for reading in Python?

• `file = open("example.txt", "r")`

• `file = open("example.txt", "read")`

• `file = open("example.txt", "w")`

• `file = open("example.txt", "rw")`

Answer explanation

The correct way to open a file for reading in Python is by using 'file = open("example.txt", "r")'. The 'r' mode stands for read.

Which of the following is the correct way to create a dictionary in Python?

• `myDict = {1, 2, 3}`

• `myDict = [1, 2, 3]`

• `myDict = {"one": 1, "two": 2, "three": 3}`

• `myDict = (1, 2, 3)`

Answer explanation

The correct way to create a dictionary in Python is myDict = {"one": 1, "two": 2, "three": 3}

How do you access the value associated with the key "name" in a dictionary called `person`?

• `person["name"]`

• `person.name`

• `person->name`

• `person["name"]()`

Answer explanation

To access the value associated with the key 'name' in a dictionary called 'person', you use the syntax person['name']. This correctly retrieves the value from the dictionary.

Which of the following is the correct way to create a tuple in Python?

• `myTuple = [1, 2, 3]`

• `myTuple = {1, 2, 3}`

• `myTuple = (1, 2, 3)`

• `myTuple = <1, 2, 3>`

Answer explanation

The correct way to create a tuple in Python is by using parentheses, like this: myTuple = (1, 2, 3)

What is the correct way to write a for loop that iterates over a list called `myList`?

• `for i in myList:`

• `for (i in myList):`

• `for i of myList:`

• `for i from myList:`

Answer explanation

The correct way to write a for loop that iterates over a list called `myList` is `for i in myList:`.