Python Course Flashcard

Front

Which of the following variable names are valid in Python? Testing123, testing_123, TESTING

Back

All of these are valid

Front

What is wrong with the following code?
ageInYears = input("How old are you? ") ageInDays = ageInYears * 365

Back

ageInYears is a string and can't be used in a mathematical expression

Front

Which operator produces a True result only if both joined expressions are True? Options: and, or, not, !=

Back

and

Front

What type of value is held in the "answer" variable after the following code runs? answer = (1 + 5) >= (6 - 1)

Back

Boolean

Front

Which of the following best describes a program trace?

Back

A temporary print() statement that gives you clues as to how the program is running

Front

Which of the following is NOT a common Python debugger command? fix (f), step (s), continue (c), All of these are common debugger commands

Back

fix (f)

Front

Which of the following best describes the difference between a list and a tuple? List contents can be changed, while tuple contents cannot be changed after the tuple is initialized, Lists can store any data type, while tuples are restricted to a single data type, Lists can store small numbers of elements, while tuples are better at storing larger data sets, Nothing is different; lists and tuples are just two names for the same thing in Python

Back

List contents can be changed, while tuple contents cannot be changed after the tuple is initialized.

Front

Which of the following list functions will NOT work on a tuple? pop(), index(), count(), These will all work on a tuple

Back

pop()

Front

Which of the following statements will successfully build a date object that holds the current date? Options: rightNow = datetime.date.today(), rightNow = datetime.datetime.current(), rightNow = today(date), rightNow = datetime.current(date)

Back

rightNow = datetime.date.today()

Front

What is the effect of calling random.shuffle() on a list?

Back

The items in the list are re-ordered randomly