module documentation

Provides quadratic unique1 and n-log-n unique2 functions determining if a sequence contains duplicates.

Function unique1 Return True if there are no duplicate elements in sequence S.
Function unique2 Return True if there are no duplicate elements in sequence S.
def unique1(S):

Return True if there are no duplicate elements in sequence S.

def unique2(S):

Return True if there are no duplicate elements in sequence S.