What is wrong with the code in Figure A? - If Statements Review Assignment - Use this assignment in your class! - OpenClass

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If Statements Review Assignment

Evaluate the boolean expressions shown in Figure A.

Provide values for a, b, and c that make the following statement evaluate as True:

a + b == c and (c is a or c is b) and a != b

What is wrong with the code in Figure A?

What's the output of the code in Figure A?

Write a function that returns "a is greater than b", "a is less than b", or "a is equal to b" depending on the values of two int input params a and b.

Write a function that converts an int num between 0-9 (inclusive) to its string equivalent (i.e., 1 -> "one").

Write an if statement that prints a and b are equal if two variables a and b have equal values, or a and b are not equal otherwise.

What do the boolean operators and, or, and not do in Python?

What is an if statement?

In Python, if/else statements are used to control the flow between two different options. How can we control the flow between more than two different options?

Fix the syntax error in the starting code.

Adjust the value of the variable a in the following code so that a is below zero! is printed.

What is wrong with the code in Figure A?

x = int(input())
if x % 3 == 0:
print("Fizz")
elif x % 5 == 0:
print("Buzz")
elif x % 3 == 0 and x % 5 == 0:
print("FizzBuzz")

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Instructor solution

Alec KretchAUG 11, 2021, 9:35:20 AM

Line 7 print("FizzBuzz") will never be reached.

if/elif/else statements evaluate each expression one by one. In the case where x is divisible by both 3 and 5 (i.e., 15), the first expression x % 3 == 0 will evaluate as true, and the other expressions will not be reached. In all other cases, x % 3 == 0 and x % 5 == 0 will be false.

Order matters for if/elif/else statements. Figure B is a correct implementation of the FizzBuzz code.

Figure B

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Control Flow in Python Presentation (page 6)

By Alec Kretch (Aug 26, 2022)

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Think you've got it?

True or False: It is possible for this function to reach line 5 and print `"ham"`.

Figure C

Select one of the following options:

A.
False
B.
True

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