Tip Calculator has a total of 5 pages of how to use symbols on python and to get an outcome and percentage of prices such as tax, tip and total.

Here are the 5 pages of Tip Calculator: https://gyazo.com/ee7693862fa91e08fbe4398cd4f4cac2
: https://gyazo.com/529ebd0487a407a7a6cd80075054dff2
: https://gyazo.com/f16521c5b2a060f584079bcfb195d019
: https://gyazo.com/c23d35266b109b4e5971b01a21937ce1
: https://gyazo.com/4e08ec796d34e5e506591d900aaad6fb

Just click on the links to view the screen shots!