## equiv(one, two) produces True if one and two contain the same 
##     data items (in any order) and False otherwise
## equiv: (listof Any) (listof Any) -> Bool
def equiv(one, two):
    if len(one) != len(two):
        return False
    else:
        for item in one:
            if one.count(item) != two.count(item):
                return False
        return True

## equiv_count(one, group) produces the number of lists in group
##     equivalent (as used in equiv) to one
## equiv_count: (listof Any) (listof (listof Any)) -> Bool
def equiv_count(one, group):
    result = 0
    for item in group:
        if equiv(one, item):
            result = result + 1
    return result

## equiv_lol(one, two) produces True if one and two contain the same
##     lists (in any order), where lists are the same if they contain
##     the same items in any order,  and False otherwise
## equiv_lol: (listof (listof Any)) (listof (listof Any)) -> Bool
def equiv_lol(one, two):
    if len(one) != len(two):
        return False
    else:
        for item in one:
            if equiv_count(item, one) != equiv_count(item, two):
                return False
        return True

## in_equiv(one, two) produces True if two contains a list
##     equivalent to one and False otherwise
## in_equiv: (listof Any) (listof (listof Any)) -> Bool
def in_equiv(one, two):
    for list in two:
        if equiv(one, list):
            return True
    return False