Re design the intersect and union using tuple parameter passing，intersecttuple,def intersec

Re design the intersect and union using tuple parameter passing，intersecttuple,def intersec

def intersect(*args):    res = []    for x in args[0]:                  # scan first sequence        for other in args[1:]:         # for all other args            if x not in other: break   # item in each one?        else:                          # no:  break out of loop            res.append(x)              # yes: add items to end    return resdef union(*args):    res = []    for seq in args:                   # for all args        for x in seq:                  # for all nodes            if not x in res:                res.append(x)          # add new items to result    return ress1, s2, s3 = 'SPAM', 'SCAM', 'SLAM'intersect(s1, s2), union(s1, s2)           # 2 operandsintersect([1,2,3], (1,4))                  # mixed types intersect(s1, s2, s3)                      # 3 operandsunion(s1, s2, s3)