python-Sample

1.`""""  """`三引号+__doc__：

# 三引号的使用 + __doc__
def in_fridge():
    """this is a function to see
    fridge has to be a doctionary fir is in the string wanted_food
    """
    try:
        count = fridge[wanted_food]
    except KeyErrot:
        count = 0
    return count
print('{0}'.format(in_fridge.__doc__))

>>>
this is a function to see
    fridge has to be a doctionary fir is in the string wanted_food