grade_gpas = {"A+":tuple(range(97,100)),"A":tuple(range(93,96)),"A-":tuple(range(90,92)),"B+":tuple(range(87,89)),"B":tuple(range(83,86)),"B-":tuple(range(80,82)),"C+":tuple(range(77,79)),"C":tuple(range(73,76)),"C-":tuple(range(70,72)),"D+":tuple(range(67,69)),"D":tuple(range(65,66))"F":tuple(range(0,65))}
^
SyntaxError: invalid syntax
The comma is missing before
"F"
.