Python注释与doctoring

# 这是python的单行注释

这是多行注释
这是多行注释

def func():
    """这是一个函数的注释说明"""
    return 

print(func.__doc__)

def greet(name, greeting="Hello"): 
    # Print a greeting to the user `name` 
    # Optional parameter `greeting` can change what they're greeted with.
    print("{} {}".format(greeting, name))

print(greet.__doc__)

def help(name):
"""
Greet someone.
Print a greeting("Hello") for the person with the given name.
"""

print("Hello " +name)

class Greeter:
    """
    An object used for greet people.
    It contains multiple greeting functons for servral languages and times of the day.
    """

print(hello.__doc__)
print(Greeter.__doc__)