<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_go2nt(self, goea_results):
 """Return go2nt with added formatted string versions of the P-values."""

        go2obj = self.objaartall.grprdflt.gosubdag.go2obj
        # Add string version of P-values
        goea_nts = MgrNtGOEAs(goea_results).get_nts_strpval()
        return {go2obj[nt.GO].id:nt for nt in goea_nts if nt.GO in go2obj}