new M: map<str, str>()

AE: list_el<str> = argv->head_el
while AE {
	M->insert( AE->value, AE->value )
	AE = AE->next
}

for V: str in M {
	print "[V]
	M->find( V )
}
##### ARGS #####
a b c
##### EXP #####
a
b
c