Python小作业之计算器

def count():
    print("欢迎使用计算器V1.0")
    num1 = float(input("请输入第一个数："))
    fa = input("请输入运算符")
    num2=float(input("请输入第二个数："))
    if fa == "+" :
        result = num1 + num2
    elif fa == "-" :
        result = num1 - num2
    elif fa == "*" :
        result = num1 * num2
    elif fa == "+" :
        result = num1 + num2
    elif fa == "/" :
        result = num1 / num2
    elif fa == "%":
        result = num1 % num2
    elif fa == "**" :
        result = num1 ** num2
    elif fa == "//" :
        result = num1 // num2
    return result
print(count())