WHY I AM GETTING RUNTIME ERROR?

general
1

PRACTICE SECTION-MEDIUM
MOST SUBMISSION-NUMBER 4
def combination(value):
if value == 1 or value == 0:
return 1
else:
return value * combination(value-1)

for _ in range(int(input())):
n, k = map(int, input().split())
r = n-k
p = combination(k+r-1)
q = combination®
s = combination(k-1)
print(p//(q*s))

2 

well, recursion in python is not that effective and because recursion in python cannot go that deep, it is possible that the cause of the runtime error is that the recursion went too deep
here's an

article in stackoverflow regarding this problem