(1 Combination 2) = 0 -- Better explanation?

Python says:  (1 Combination 2) = 0
         Ok... It's Impossible (to do).
              ------- is there a Better explanation?
(5 Combination 0) = 1  <---- This is explained by  Comb(5,0)=Comb(5,5)
                                      in general:   Comb(N,r)=Comb(N,N-r)
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from math import comb
for i in range(6):      print( comb(5,i) )
print( comb(1,2)  )