Please show how to do the following problems in Python.

def removeDups(L1, L2, L3): '''The inputs L1, L2, L3 are lists, return a list that contains all the items in L1 and L3 but not in L2 ''' #this method requires you to use the remove() function for a list

def removeDups2(L1, L2, L3): '''The inputs L1, L2, L3 are lists, return a list that contains all the items in L1 and L3 but not in L2 ''' #this method requires you to use the append() function for a list