dokuwiki

for a in range(1, 10):
    for b in range(0, 10):
        for c in range(0, 10):
             for d in range(1, 10):
                 links = "%d%d%d%d" % (a,b,c,d)
                 rechts = "%d%d%d%d" % (d,c,b,a)
                 links = 4*float(links)
                 rechts = float(rechts)
                 if(a!=b!=c!=d):
                    if(links == rechts):
                        print("A=%d, B=%d, C=%d, D=%d" %(a,b,c,d))