In python class statement creates a new class definition and The class has a documentation string which can be accessed via ClassName.__doc__. The class_suite consists of all the component statements defining class members, data attributes and functions use keyword class to create class .
use this syntax show in given below,

class ClassName:
   'Optional class documentation string'
   class_suite

Example:

ass Employee:
   'Common base class for all employees'
   empCount = 0

   def __init__(self, name, salary):
      self.name = name
      self.salary = salary
      Employee.empCount += 1

   def displayCount(self):
     print "Total Employee %d" % Employee.empCount

   def displayEmployee(self):
      print "Name : ", self.name,  ", Salary: ", self.salary