parameters: (self, name)
return_statement: return None
docstring: Returns the assignment inst associated with variable "name", None if
          it cannot be found.
docstring_summary: Returns the assignment inst associated with variable "name", None if
          it cannot be found.
docstring_tokens: Returns the assignment inst associated with variable name None if it cannot be found .
function: def find_variable_assignment(self, name):
          """
          Returns the assignment inst associated with variable "name", None if
          it cannot be found.
          """
          for x in self.find_insts(cls=Assign):
              if x.target.name == name:
                  return x
          return None
function_tokens: def find_variable_assignment ( self , name ) : for x in self . find_insts ( cls = Assign ) : if x . target . name == name : return x return None