flag = True
while flag == True:
    choice = input("请问你想用什么类型的计算器：0为普通计算器；1为复数计算器\n")
    op = input("请选择一个运算符(复数只能选择1，2，3，4)\n1：加法\n2：减法\n3:乘法\n4:除法\n5：开几次方\n6：几次方\n")
    if op == '0':
        break
    if choice == '1':
        a= complex(input("请输入第一个复数\n"))
        b = complex(input("请输入第二个复数\n"))
    if choice == '0':
        a = int(input("请输入第一个数:\n"))
        b = int(input("请输入第二个数:\n"))
    result = 0
    if op == '4':
        result = a / b
        op='/'
    elif op == '1':
        result = a + b
        op = '+'
    elif op == '2':
        result = a - b
        op = '-'
    elif op == '3':
        result = a * b
        op = '*'
    elif op =='5':
        result =a**(1/b)
        op = '#'
    elif op == '6':
        result = pow(a, b)
        op = '^'
    else:
        print('错了')
        continue
    if choice=='1':
        print(str(a) + op + str(b), "=", result, "\n")
    elif choice =='0':
        print(str(a) + op + str(b), "=", result, "\n")