Python Workshop 4 Review

What is the output of this Python code?

for x in range(0,2):

for y in range(0,2):

print("loop run")

• loop run loop run loop run loop run
• loop run loop run loop run
• loop run loop run
• loop run

What is the output of this Python code?

arr = [“red”, “blue”, “green”]

for x in arr:

print(x)

• green

  blue

  red

• red blue
• red blue green
• red

What keyword do you use to define a function in Python?

• class
• def
• function
• var

What reason is there to use functions in your code?

• To increase the chances of bugs and errors in the code.
• To make the code more complicated and difficult to understand.
• To reuse code and improve code organization.
• To waste time and make the code less efficient.

What is the proper structure of a function in Python?

• def function_name():
• function_name():
• function def():
• def function_name:

What is the structure for using parameters in a function in Python?

• Parameters are defined within the curly braces of a function in Python.
• Parameters are defined within the brackets of a function in Python.
• Parameters are defined within the square brackets of a function in Python.
• Parameters are defined within the parentheses of a function in Python.

What does a return statement do in Python?

• A return statement in Python is used to exit a loop and return a value.
• A return statement in Python is used to print a value.
• A return statement in Python is used to exit a function and return a value.
• A return statement in Python is used to define a variable.

How do you call a function in Python?

• By using the function name followed by parentheses
• By using the function name followed by a comma
• By using the function name followed by a semicolon
• By using the function name followed by square brackets

What does recursion mean in code?

• A conditional statement
• A loop that iterates over a list
• A function calling itself
• A variable declaration

Which one of these functions demonstrates recursion?

• def recursive_function(): # base case if condition: return base_case # recursive case else: return base_case
• def recursive_function(): # base case if condition: return base_case # recursive case else: return recursive_function
• def recursive_function(): # base case if condition: return base_case # recursive case else: return recursive_function()
• def recursive_function(): # base case if condition: return recursive_function # recursive case else: return base_case