Orientation refers to the absolute positions of the worksheet and the paper.

A(n) ____________________ can be used to insert text or objects such as tables, charts, or pictures.

Fill in the blank(s) with the appropriate word(s).

Which of statements a), b) or c) is false?

a. A variable name, such as x, is an identifier. b. Each identifier may consist of letters, digits and underscores (_) but may not begin with a digit. c. Python is case insensitive, so number and Number are the same identifier despite the fact that one begins with a lowercase letter and the other begins with an uppercase letter. d. All of the above statements are true.