pprint.pprint(parse("(dog:20, (elephant:30, horse:60)eh:20)root:50"))
pprint.pprint(parse("(A:0.1,B:0.2,(C:0.3,D:0.4)E:0.5,G:0.8)F:0.9"))
pprint.pprint(parse("(ant:17, (bat:31, cow:22)bc:7, dog:22, (elk:33, fox:12)ef:40)root:1"))
pprint.pprint(parse("(Bovine:0.69395,(Gibbon:0.36079,(Orang:0.33636,(Gorilla:0.17147,(Chimp:0.19268, Human:0.11927)ch:0.08386)gch:0.06124)ggch:0.15057)oggch:0.54939,Mouse:1.21460)root:1"))