Special Key and keyCode:

special_keys = {
'esc':27,
'escape':27,
'tab':9,
'space':32,
'return':13,
'enter':13,
'backspace':8,

'scrolllock':145,
'scroll_lock':145,
'scroll':145,
'capslock':20,
'caps_lock':20,
'caps':20,
'numlock':144,
'num_lock':144,
'num':144,

'pause':19,
'break':19,

'insert':45,
'home':36,
'delete':46,
'end':35,

'pageup':33,
'page_up':33,
'pu':33,

'pagedown':34,
'page_down':34,
'pd':34,

'left':37,
'up':38,
'right':39,
'down':40,

'f1':112,
'f2':113,
'f3':114,
'f4':115,
'f5':116,
'f6':117,
'f7':118,
'f8':119,
'f9':120,
'f10':121,
'f11':122,
'f12':123’
}