# coding=utf-8 
# pylint: disable=C0103
# pylint: disable=C0111
# pylint: disable=C1001
# pylint: disable=W0232
# pylint: disable=R0903


class Common:
    common_num = 0
    def __init__(self):
        #
        pass
    def GET(self):
        Common.common_num += 1
        #return "hello" + str(Common.common_num)
        return "hello world"
    
10937d3e3dfbea5a8e30e3d8acd3a33fc9f16dbc
<mask token>

class Common:
    <mask token>
    <mask token>
    <mask token>

class Common:
    <mask token>

    def __init__(self):
        pass
    <mask token>

class Common:
    common_num = 0

    def __init__(self):
        pass

    def GET(self):
        Common.common_num += 1
        return 'hello world'

# coding=utf-8 
# pylint: disable=C0103
# pylint: disable=C0111
# pylint: disable=C1001
# pylint: disable=W0232
# pylint: disable=R0903


class Common:
    common_num = 0
    def __init__(self):
        #
        pass
    def GET(self):
        Common.common_num += 1
        #return "hello" + str(Common.common_num)
        return "hello world"
    