Issues with iterating age of item through dictionary in python 3 -


i relatively coding, , trying create piece of code calculate amount of descendants single cat can have. when cat supposed iterate fifth month; dissapears no reason, changing both dictionaries. code follows:

def speciescalc(pt, tbf, abif, toe, bpy, bil, fsn, ifsnm, sn):   sn = {}   sn2 = {}   if abif < toe:     in range(0, int(abif) + 1):       sn[str(i)] = 0   else:     in range(0, int(toe) + 1):       sn[str(i)] = 0   sn[str(tbf - 1)] = fsn   ##debug print   print(sn)   in range(0,int(toe)):     o in range(0, len(sn)):       if o > 0:         sn2[str(o)] = sn[str(o-1)]         ##debug prints         print(o-1)         print(sn)         print(sn2)       else:         sn2['0'] = 0      p in range(pt + tbf, len(sn), bpy):         sn2['0'] += sn2[str(p)]*bil         print(sn2['0'])     sn = {}     sn = sn2   in range(0, len(sn)):     fsn += int(sn[str(i)])     print(str(sn[str(i)]))   return (fsn)   print(speciescalc(2, 4, 120, 18, 3, 6, 1, 0, 0))


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