# 定义函数，并输出信息

def say_hi():
    print("hello world")


# say_hi()

# 演示函数传参
# def add(x, y):
#     result = x + y
#     print(f"{x}+{y}的结果是{result}")


# add(2,3)

# 函数返回值
# def add(x, y):
#     result = x + y
#     return result
#
#
# a = add(32, 33)
# print(a)

# def say_i():
#     print("i")
#
#
# result = say_i()
# print(f"{result}")

# none 用于if判断
# def check_age(age):
#     if age > 18:
#         return "SUCCESS"
#     else:
#         return None
#
#
# result = check_age(14)
# if not result:
#     print("未成年")

# 函数说明文档
def add(x,y):
    """
    add 函数可以接受两个参数，并实现两参数相加
    :param x: 参数1
    :param y: 参数2
    :return: 返回两数相加的结果
    """
    print(f"{x}+{y}={x+y}")