p4e chapter 2. Flashcards
assignment
A statement that assigns a value to a variable.
concatenate
To join two operands end to end.
comment
Information in a program that is meant for other programmers ( or anyone reading the source code) and has no effect on the execution of the program.
Evaluate
To simplify an expression by performing the operations in order to yield a single value.
floating point
a type that represents numbers with fractional parts
integer
A type that represents whole numbers
Keyword
A reserved word that is used by the compiler to parse a program; you cannot use keywords like, if, def, and while as variable names
mnemonic
A memory aid. We often give variables mnemonic names to help us remember what is stored in the variable.
modulus operator
An operator, denoted with a % symbol that works on integers and yields the remainder when one number is divided by another.
Operand
one of the values on which an operator operates.
operator
a special symbol that represents a simple computation like addition, Multiplication, or string concatenation.
rules of precedence
the set of rules governing the order in which expressions involving multiple operators and operands are evaluated.
statement
A section of code that represents a command or action. So far, the statements we have seen are assignments and print expression statement.
string
A type that represents sequences of characters.
type
A category of values. The types we have seen so far are integers (type int) floating-point numbers (type float), and strings (type str).
