error:Oops, try again. Your code looks a bit off--it threw a "string index out of range" error. Check the Hint if you need help!
please i want youre help
def count(sequence, item): c = 0 for element in sequence: for i in range(len(sequence)): for j in range(len(element)): if sequence[i][j] == item: c += 1 return c