<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def item(self, section, it):
 """ Return content of given item in selected section """

        for key, value in self.section(section, skip=[]):
            if key == it:
                return value
        raise ConfigError(
            "Item '{0}' not found in section '{1}'".format(it, section))