CSE 6R Midterm Review

If you never created a variable called state prior to this code snippet, will this code snippet cause an error?

• Yes

• No

• Not enough information

Given the following logical expression, what values of booleans a and b will make it evaluate to False? Select all that apply.

• a = False, b = False

• a = False, b = True

• a = True, b = False

• a = True, B = True

You are given a string called my_string such that len(my_string) is 8215. What negative index is equivalent to the positive index 523? (Write a negative sign first, and do NOT use a comma separator).

You want to store a scatterplot of 2D coordinates (x and y) as a nested data structure. However, you do not want to store any duplicate points. The most appropriate way to store these coordinates would be a: ___________ of ____________

• Set of Tuples

• Dict of Tuples

• Set of Lists

• List of Lists

• List of Tuples

If you never created a variable called is_registered prior to this code snippet, will this code snippet cause an error?

• Yes

• No

• Not enough information

True or False: Every for loop can be rewritten as a while loop.

• True

• False

Which of the following data structures can be used as VALUES in a dict? Select all that apply.

• List

• Dict

• Set

• Tuple

How many times will this loop iterate?

What will be printed by the following code? (Do NOT include quotes)

Which of the following values of var will make the following logical expression evaluate to True? Select all that apply.

• var = "c"

• var = "l"

• var = "e"

• var = "r"