Here are some handy guides for coding symbols. Hold the keys with a circle down at the same time.
Note: Mac users will use the command key instead of Ctrl.
Save
Duplicate
Select
Tab = used for indenting lines
: Colon = Shift + ;
_ Underscore = Shift + -
( Left Parenthesis = Shift + 9
) Right Parenthesis = Shift + 0
[ Left Bracket
] Right Bracket
" Quotation Marks
\ Backslash