<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def content(self, value):
 """The main component of the log message. The content field is a freeform field that often begins with the process ID (pid) of the program that created the message. """

        value = self._prepend_seperator(value)
        self._content = value