Practice Quiz: Hello World
11. What are functions in Python?
- Functions let us use Python as a calculator.
- Functions are pieces of code that perform a unit of work.
- unctions are only used to print messages to the screen.
- Functions are how we tell if our program is functioning or not.
12. What are keywords in Python?
- Keywords are reserved words that are used to construct instructions.
- Keywords are used to calculate mathematical operations.
- Keywords are used to print messages like “Hello World!” to the screen.
- Keywords are the words that we need to memorize to program in Python.
13. What does the print function do in Python?
- The print function generates PDFs and sends it to the nearest printer.
- The print function stores values provided by the user.
- The print function outputs messages to the screen
- The print function calculates mathematical operations.
14. Output a message that says "Programming in Python is fun!" to the screen.
- print(“Programming in Python is fun!”)
15. Replace the ___ placeholder and calculate the Golden ratio: 1+√5/2
Tip: to calculate the square root of a number x, you can use x**(1/2).
ratio = ___
print(ratio)
- ratio = (1 + 5**(1/2)) / 2print(ratio)
