huajh / python_start

just for learning python

python

class ReqStrSugRepr(type):

    def __init__(cls, name, bases, attrd):
        super(ReqStrSugRepr, cls).__init__(name, bases, attrd)

        if '__str__' not in attrd:
            raise TypeError("Class requires overriding of __str__()")

        if '__repr__' not in attrd:
            warn(
                'Class suggets overrding of __repr__()\n',
                stacklevel=3)

machine this is rednerd as bold text

python

import tempfile; print(tempfile.gettempdir())

hello world!

machine learning

• git add README.md
• git commit -m 'something'
• git puch origin master
• done!

python

    def __init__(self, num=0, string=''):
        self.__num = num
        self.__string = string
        __slots__ = ('fo','bar')

java

public hello{
    public void sayhello()
    {
        System.out.println("hi, hello world!")
    }
}

c

int main()
{
    print("hello world!")
}