Split a string on the last K occurrence of the delimiter

S.rsplit(‘,’, 5)

Split a string on the last occurrence of the delimiter.
S = "w,3,r,e,s,o,u,r,c,e"

print(S.rsplit(',', 1))     # ['w,3,r,e,s,o,u,r,c', 'e']
print(S.rsplit(',', 2))     # ['w,3,r,e,s,o,u,r', 'c', 'e']
print(S.rsplit(',', 5))     # ['w,3,r,e,s', 'o', 'u', 'r', 'c', 'e']