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Engineering LibreTexts

15.11: Glossary

  • Page ID
    16884
  • value:
    One of the basic units of data, like a number or string, that a program manipulates.
    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).
    integer:
    A type that represents whole numbers.
    floating-point:
    A type that represents numbers with fractional parts.
    string:
    A type that represents sequences of characters.
    variable:
    A name that refers to a value.
    statement:
    A section of code that represents a command or action. So far, the statements we have seen are assignments and print statements.
    assignment:
    A statement that assigns a value to a variable.
    state diagram:
    A graphical representation of a set of variables and the values they refer to.
    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.
    operator:
    A special symbol that represents a simple computation like addition, multiplication, or string concatenation.
    operand:
    One of the values on which an operator operates.
    floor division:
    The operation that divides two numbers and chops off the fraction part.
    expression:
    A combination of variables, operators, and values that represents a single result value.
    evaluate:
    To simplify an expression by performing the operations in order to yield a single value.
    rules of precedence:
    The set of rules governing the order in which expressions involving multiple operators and operands are evaluated.
    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.
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