Karkit

def karkit(n,a,b):
    arr=[]
    for i in range(1,n):
         for j in range(1,n):
            if  i*a + b*j  <= n :
                l1= i*a
                l2= b*j
                arr.append(l1/a + l2/b)
    try:
        print(int(arr[-1]))
    except:
            print("None")

karkit(n=10, a=3 , b= 4)

Test 1

Verdict: WRONG ANSWER

Test 2

Verdict: WRONG ANSWER

Test 3

Verdict: WRONG ANSWER

Test 4

Verdict: WRONG ANSWER

Test 5

Verdict: WRONG ANSWER