D335 Intro to Python Study-Questions and Answers
Verified 100% Correct
Computer Program
Set of instructions executing one at a time.
Input
Data that is entered into the computer system via an input or storage device.
Process
A series of actions or steps taken to achieve an end
Output
Data that has been processed into a useful format.
Variables
A named item in a program, such as x or num_people, used to hold a value
Interactive Interpreter
a program that allows the user to execute one line of code at a time
Code
Common word for the textual representation of a program
Prompt ('>>>')
A signal that the interpreter is ready to accept code
Statement
A program instruction
Expressions
, A combination of items, like variables, literals, and parentheses, that evaluates to a value, like
2*(x=1).
Codes that return a value when evaluated
Assignment
Creates a new variable using the '=' symbol
"="
assignment operator (NOT EQUALITY)
= is an assignment of a left-side variable with a right-side value
print()
Displays variables or expression values
Always adds a newline character after the output
"#"
Comments
Comments
Uses "#"
Can be used to explain portions of the code to human readers and will be ignored by the
program
String Literal
('Hello World')
Text enclosed in quotes that will be read as actual text by the program. May have letters,
numbers, spaces, or symbols
end=' '
keeps the next print's output on the same line separated by a single space
Comma ( , )
Verified 100% Correct
Computer Program
Set of instructions executing one at a time.
Input
Data that is entered into the computer system via an input or storage device.
Process
A series of actions or steps taken to achieve an end
Output
Data that has been processed into a useful format.
Variables
A named item in a program, such as x or num_people, used to hold a value
Interactive Interpreter
a program that allows the user to execute one line of code at a time
Code
Common word for the textual representation of a program
Prompt ('>>>')
A signal that the interpreter is ready to accept code
Statement
A program instruction
Expressions
, A combination of items, like variables, literals, and parentheses, that evaluates to a value, like
2*(x=1).
Codes that return a value when evaluated
Assignment
Creates a new variable using the '=' symbol
"="
assignment operator (NOT EQUALITY)
= is an assignment of a left-side variable with a right-side value
print()
Displays variables or expression values
Always adds a newline character after the output
"#"
Comments
Comments
Uses "#"
Can be used to explain portions of the code to human readers and will be ignored by the
program
String Literal
('Hello World')
Text enclosed in quotes that will be read as actual text by the program. May have letters,
numbers, spaces, or symbols
end=' '
keeps the next print's output on the same line separated by a single space
Comma ( , )
