Unit 1 Post Test: Basic Python

Which of the following is the correct syntax to display "Hello, World!" in Python?

• echo 'Hello, World!'
• print("Hello World!")

• console.log("Hello, World!")

• print("Hello, World!")

What is the correct way to create a variable in Python and assign the value 10 to it?

• int x = 10

• var x = 10

• num = 10

• x := 10

What will be the output of the following code?
print(4 + 5 * 2)

• 20
• 12
• 9
• 14

Which of the following is an example of type conversion in Python?

• x = str(5)

• x = int("5")

• x = float("3.14")

• All of the above

What does the following code output?

name = "John"

age = 25

print("My name is " + name + " and I am " + str(age) + " years old.")

• My name is John and I am 25 years old.

• My name is John and I am age 25.

• My name is name and I am age 25 years old.

• Error

What will the following code output if the user inputs "5"?

• <class 'int'>

• <class 'str'>

• <class 'float'>

• Error

Which of the following is the correct way to get user input in Python and store it as an integer?

• user_input = int(input("Enter a number: "))

• user_input = input("Enter a number: ")

• user_input = float(input("Enter a number: "))

• user_input = eval(input("Enter a number: "))

What will be the result of the following code?

x = 10
y = 3
print (x - y)

• 7
• 8
• 6
• 5

Which of the following concatenates the string "Python" and the number 3.0?

• print("Python" + str(3.0))

• print("Python" + 3.0)

• print("Python" + int(3.0))

• print("Python" + float(3.0))

Which of the following is a valid way to convert a float to an integer in Python?

• x = int(3.7)

• x = float(3.7)

• x = str(3.7)

• x = bool(3.7)