can someone please help me ?

how should i edit my codes to improve so that i can pass this test ?

unittest, main (argrio ['ignored:, St 1 , exitifalse) test_addition (_main . Testfxample) Frioh. FRAOR: test_addition (_nain_.TestFxarple) Traceback (most recent call last) F1le */tmp/ipykernel 143432/1e47939219. py*. Hne 18 ; in rest;aditian add = pnakestats add (t,2) Typefrror: add() missing 1 required positional argument: "c" \begin{tabular}{l|c} 1 & def add (a,b): \\ 2 & add =a+b \\ 3 & return add \\ 4 & \\ 5 & def add (a,b,c): \\ 6 & add =a+b+c \\ 7 & return add \end{tabular}