CodeHS Python Unit 3 Flashcard Review

Front

What is the output of the following program? Assume the user enters “Florence”, then “Fernandez”.

Back

FlorenceFernandez

Front

What does the following program print? Options: <type 'str'>, <type 'int'>, <type 'float'>, The program crashes and doesn’t print anything.

Back

<type 'str'>

Front

Which of the following options is the best way to get a number from the user that you plan to use in a mathematical equation? Options: num = str(input(“Enter a number: “)), num = number(input(“Enter a number: “)), num = input(“Enter a number: “), num = int(input(“Enter a number: “))

Back

num = int(input(“Enter a number: “))

Front

Which one of the statements below will cause an error?
Options:
ans = “hi” * 8
ans = “hi” + 9
ans = “hi” + “hi” + “hi”
ans = (“a” * 4) + “b”

Back

ans = “hi” + 9

Front

What is the difference between a binary operator and a unary operator?

Back

A binary operator needs two things, while a unary operator only needs one.

Front

What is the final result of the expression 7 / 2 + 6?

Back

9.5

Front

Which of the following choices is a properly formed Python variable name, meaning it is both legal in the Python language and considered good style? Options: user_age, uSeRaGe, user!age!, 1user_age

Back

user_age

Front

What is the final result of the expression 2**3?

Back

8

Front

Choose the option that correctly prints out the variable(s). Options: x = "codehs" print(int(x)), num = 8 print("num"), name = "Alyx" age = 32 print(name + "is " + age), language = "Python" print("I'm learning " + language)

Back

language = "Python" print("I'm learning " + language)

Front

Choose the print statement below that will cause an error. Assume that num has the value '6', and name has the value 'Isabella'. Options: print(name + ":" ) print(num), print(name + " wants " + "num " + "candies"), print(name + ": " + str(num)), print(name + ": " + num)

Back

print(name + ": " + num)