Unit Test Answers

Which of these are characteristics of variables? Check all that apply.

A(n) ✔ arrayuser-defined typeabstract data type is a group of scalar or individual values that are stored in one entity.

A(n) scalararray✔ user-defined typeabstract data type is a data type that is assigned a true or false value by a programmer.

A(n) scalararrayuser-defined type✔ abstract data type is a data type that can be assigned multiple values.

Which of the following are characteristics of global variables? Check all that apply.

Use the drop-down menus to correctly complete these sentences about how variables can be defined.✔ Scalar valuesArraysUser-defined typesAbstract data types are single numbers or values, which may include integers, floating-point decimals, or strings of characters.

Use the drop-down menus to correctly complete these sentences about common data types.A variable that is used in programming and can hold a true or false value is a(n) global✔ Booleancharacterinteger data type.

Which of these are characteristics of a Python data type? Check all that apply.

Use the drop-down menu to correctly complete these sentences about the five standard Python data types. are numeric values in Python data types. A is a large and changeable list that can contain any number of Python objects. are connected sets of characters separated by quotation marks " ". are sets of data separated by a comma between two parenthesis ( ). are sets of data separated by a comma between two brackets [ ].

Which of these are correctly formatted Python lists? Check all that apply.

Which of these are correctly formatted Python dictionaries? Check all that apply.

Which of these are correctly formatted Python tuples? Check all that apply.

A variable that can hold a mixed sequence of letters and numbers is a(n) ✔ alphanumeric stringBooleanfloating-point numberlocal data type.

A variable that can hold positive or negative whole-number values is a(n) globalcharacter✔ integerBoolean data type.

A variable that can be used with moveable decimal points is a(n) alphanumeric stringdictionarycharacter✔ floating-point number data type.