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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _precompile_regexp(self, trigger):
 """Precompile the regex for most triggers. If the trigger is non-atomic, and doesn't include dynamic tags like ``<bot>``, ``<get>``, ``<input>/<reply>`` or arrays, it can be precompiled and save time when matching. :param str trigger: The trigger text to attempt to precompile. """

        if utils.is_atomic(trigger):
            return  # Don't need a regexp for atomic triggers.

        # Check for dynamic tags.
        for tag in ["@", "<bot", "<get", "<input", "<reply"]:
            if tag in trigger:
                return  # Can't precompile this trigger.

        self._regexc["trigger"][trigger] = self._brain.reply_regexp(None, trigger)