Number Of Elements

# Write your solution here
def solve(____):
    count = ____
    for i in range(len(____)):
        for j in my_mytrix[i]:
            if j == element:
                count += ____
    return count

if __name__ == "____":
    m = [[____, ____, ____], [____, ____, ____], [____, ____, ____]]
    print(solve(____))