1. How could the principles of layout, graphic and visual message design be helpful to you as a student? 2. Why do we need to know the principles of layout, graphic and visual message design in developing web page?u

Type the correct answer in the box. spell all words correctly. what is the default margin width on all four sides of a document? by default, the document has a margin on all four sides.

What should you do if a dialog box covers an area of the screen that you need to see?

Part d: float check string has a method s.isdigit() that returns true if string s contains only digits and false otherwise, i.e. s is a string that represents an integer. write a function named float_check that takes one parameter that is a string and returns true if the string represents a float and false otherwise. for the purpose of this function we define a float to be a string of digits that has at most one decimal point. note that under this definition an integer argument will return true. remember “edge cases” such as “45.” or “.45”; both should return true. for example: float_check('1234') returns true float_check('123.45') returns true float_check('123.45.67') returns false float_check('34e46') returns false float_check('.45') returns true float_check('45.') returns true float_check('45..') returns false