Determinant of a Matrix

# I was able to only program for matrices of order 2 and 3
# I'll soon improve and generalise it, for all order matrices

def main() :

    M1 = []
    order = int(input("Enter the order of |A| (like 2 or 3) : "))

    if order in (2, 3) :
        for i in range(order) :
            temp = []
            for j in range(order) :
                elem = eval(input("Enter the Element of the Determinant at ; Row : {} , Column : {} =====> ".format(i+1,j+1)))
                temp.append(elem)
            M1.append(temp)

        print("\nThe Determinant : ")
        for i in M1 :
            print("| " , end = " ")
            for j in i :
                print(j , end = "  ")
            print("|")

        if order == 2 :
            det = (M1[0][0]*M1[1][1]) - (M1[0][1]*M1[1][0])
            print("\nThe Value of the Determinant : {}".format(det))
        else :
            row_1 = (M1[0][0]*((M1[1][1]*M1[2][2]) - (M1[1][2]*M1[2][1])))
            row_2 = (M1[0][1]*((M1[1][0]*M1[2][2]) - (M1[1][2]*M1[2][0])))
            row_3 = (M1[0][2]*((M1[1][0]*M1[2][1]) - (M1[1][1]*M1[2][0])))

            det = row_1 - row_2 + row_3
            print("\nThe Value of the Determinant : {}".format(det))

    else : print("\nSorry for the Inconvinience!!! I haven't Programmed it to Calculate the Value of a Determinant of this order.")

main()