Intro to Programming - Quiz 1
Python scripts (files) have names that end with what type of file extension?
.py
What is the output of the following code? Print(7%3)
1
What is the value of the expression 1+2**2*3?
13
What is the output of the following code? Print(7//3)
2
What is the output of the following code? Print(100/50)
2.0
What will the following program print out: >>>x=15, >>>x=x+5, >>>print(x)?
20
What will be the value of x after the following statement executes: x=1+2*3-8/4
5.0
What is the output of the following code? k=10 k-=2 print(k)
8
What is the output of the following code? Print(3**2)
9
What will be the value of x when the following statement is executed: x=int(98.6)
98
The python interpreter was written in the ____ programming language.
C
The + operator works with strings, but it is not addition in the mathematical sense. This is called _____.
Concatenation
T/F: A character in a string has an index specifying its position, starting at 1.
False
T/F: Conditional code is when the code block executes from top to bottom.
False
T/F: In Python, a variable must be declared before it is assigned a value.
False
T/F: Programs that are compiled are easier to debug.
False
T/F: Python and C# are both compliers.
False
T/F: Python is a strongly typed language in which you must declare your variables before use.
False
T/F: Spaces are allowed in variable names, but underscores can not be used to separate words in variable names.
False
T/F: Strings are mutable (they can be changed or altered).
False
T/F: The variables Message and message are the same in Python.
False
T/F: Variable names can be arbitrarily long. They can contain both letters and numbers and can begin with a number.
False
T/F: Sequential code is when questions are asked of the program to determine flow.
Flase
Which of the following variables is the "most mnemonic"?
Hours
Python provides a built-in function called ____ that gets input from the keyboard.
Input()
Which of one of the following functions is concerned with getting information from the user?
Input()
An ____ reads the source code of the program as written by the programmer, parses the source code, and interprets the instructions on the fly.
Interpreter
A ____ is an action that Python can perform on a piece of data.
Method
Which of the following elements of a mathematical expression in Python is evaluated first?
Multiplication
A compiler will process the source code and generate a(n) ____ file.
Object
A _____ is a series of characters.
String
The _____ will remove whitespace from both ends of a string and returns a copy of the new string.
Strip() string method
When the computer does not understand the statement you entered, it is a _____ error.
Syntax
____ errors occur when Python doesn't recognize a section of your program as valid Python code.
Syntax
T/F: A program is a sequence of stored instructions.
True
T/F: A sequence of instructions in a programming language is called an Algorithm.
True
T/F: Avoid using Python keywords and function names as variable names.
True
T/F: Every method is followed by a set of parentheses, because methods often need additional information to do their work.
True
T/F: In Python, a variable may be assigned a value of one type, and then later assigned a value of a different type.
True
T/F: Repeative code is when the code block executes over and over until it is finished.
True
T/F: Variable names can contain an underscore _ and can start with one. a. TRUE
True
T/F: Variable names should be short but descriptive.
True
T/F: When you are typing code directly at the chevron >>> you are coding interactively.
True
The ____ function test to see what type an object is and returns true or false.
Type()
Variable names can contain only letters, numbers, and _____.
Underscore
Every ____ is connected to a ____, which is the information associated with it.
Variable, Value
In the following code, x=42. What is "x"?
Varible
Assume the variable x has been initialized to an integer value (e.g., x=3). What does the following statement do? x=x+2
add 3 and 2
Which of these words are reserved words in Python ? a. If b. break c. print d. BOTH A and B
d. BOTH A and B
