Python Introduction-2-26-2025

Multiple Choice

What does the term 'debug' mean?

• Identify errors and fix them.
• Making a calculation
• A set of instructions
• Looking at code

​Example of Python Syntax:

​print(" Welcome to Computer Science! ")

​

​Step 1: Type the keyword print

​

​Step 2: ( ) Add parenthesis

​

​Step 3: (" ") Add quotation marks inside the parenthesis

​

​Step 4: (" Welcome to Computer Science ") Type Welcome to Computer Science in between the parenthesis.

​What is Syntax?

​- the set of rules that defines the combinations of symbols that are considered to be correctly structured statements or expressions in that language.

Multiple Choice

What is syntax?

• Syntax is the word used to describe an error
• Syntax is the rules of the programming language
• It is used to read information
• It is used to output information 

Multiple Choice

What Python command lets the user enter an answer to a question?

• answer()
• open()
• print()
• input()

Multiple Choice

Improper indentation is an example of what type of error?

• Syntax Error

• Run-time Error

• Semantic Error

Multiple Choice

An infinite loop is an example of what type of error?

• Syntax Error

• Run-time Error

• Semantic Error

Multiple Choice

The wrong use of PEMDAS is an example of what type of error?

• Syntax Error

• Run-time Error

• Semantic Error

Multiple Choice

The following is an example of what type of error?

print("Here is some text")

print(1/0)

• Syntax Error

• Run-time Error

• Semantic Error

Multiple Choice

The following is an example of what type of error?

print("Here is some text"

print(6/2)

• Syntax Error

• Run-time Error

• Semantic Error

Multiple Choice

The following is an example of what type of error?

print(Here is some text")

print(2/2)

• Syntax Error

• Run-time Error

• Semantic Error

Multiple Choice

The following code to calculate an average is an example of what type of error?

x = 2

y = 6

average = x + y / 2

print(average)

• Syntax Error

• Run-time Error

• Semantic Error

Strings (str)

• Lets the user type in letters, numbers and words

• Not used for calculations

• When doing calculations: be sure to check that your value is a number, not a string

• Always surrounded in quotation marks

What are Variables?

• A name for a spot in the computer’s memory

• This value can change while the program runs

• Different types of data take up different amounts of space in memory

Multiple Select

Select all strings:

• greeting = (Hello)

• greeting = ("Please enter your name")

• greeting = (Welcome to Comp Sci)

• greeting = ("Happy Friday!!!")

Multiple Select

Please select all floating point numbers:

• 1.444

• 34567

• 777.980

• 32.0

• 21

​Boolean Values:

​- In programming you often need to know if an expression is True or False.

​

-You can evaluate any expression in Python, and get one of two answers, True or False.

​

-When you compare two values, the expression is evaluated and Python returns the Boolean answer:

​print(10 > 9)

print(10 == 9)

print(10 < 9)

Multiple Choice

runs code line by line and checks for errors

• interpreter
• variable
• modulo
• boolean

Multiple Choice

stores a piece of data, and gives it a specific name

• variable
• whitespace
• interpreter
• modulo

Multiple Choice

What is the stat type returned for this line of code: type(0.6)

• Boolean

• string

• integer

• float

Multiple Choice

What is the output for this line of code: print(type('I love Quizizz!"))

• <class 'bool'>

• <class 'str'>

• <class 'int'>

• error