parameters: (self)
return_statement: return output
docstring: Returns a string representing the initial definition of the content of
          the predicate and all its children. For example:
  
          .. code-block:: python
  
              var1 = Variable(0, 10)
              constraint = var1 < 10
              print constraint.initial()
              >>> (x0 < 10)
  
          :rtype: str
docstring_summary: Returns a string representing the initial definition of the content of
          the predicate and all its children. For example:
docstring_tokens: Returns a string representing the initial definition of the content of the predicate and all its children . For example :
function: def initial(self):
          """
          Returns a string representing the initial definition of the content of
          the predicate and all its children. For example:
  
          .. code-block:: python
  
              var1 = Variable(0, 10)
              constraint = var1 < 10
              print constraint.initial()
              >>> (x0 < 10)
  
          :rtype: str
          """
          save_str = Expression.__str__
          Expression.__str__ = Expression.initial
          output = self.__str__()
          Expression.__str__ = save_str
          return output
function_tokens: def initial ( self ) : save_str = Expression . __str__ Expression . __str__ = Expression . initial output = self . __str__ ( ) Expression . __str__ = save_str return output