def lookUpAll(self,group):
     """
         Show all the contacts from a group
         group is the group's name
         the return is the list of the group members
     """
     cr=ContactRepository()
     return cr.getAllGr(group)
 def exportCSV(self,group,outFile):
     """
         Export all the group members to a text file
         group is a contact group chosen by the user
         outFile is the output file where the members will appear, separated by comma
     """
     f=open(outFile,'w')
     cr=ContactRepository()
     list=cr.getAllGr(group)
     for i in list:
         x=i.getName()+','+i.getPhoneNr()
         f.write(x)
         f.write('\n')
     f.close()