# sample.py

# create a variable in the module
sample_variable = "This is a string variable in the sample.py module"


# A function in the module
def say_hello(name):
    return f"Hello, {name}  welcome to this simple module."


# This is another function in the module
def add(a, b):
    return f"{a} + {b} is = {a+b}"


# print(sample_variable)
# print(say_hello("小明"))
# print(add(2, 3))
