python初學

word="bottles" for beer_num in range(5,0,-1): print(beer_num,word,"of beer on wall") print(beer_num,word,"of beer.") print("take one down") print("pass it around") if beer_num==1: print("no more beer") else: new_beer=beer_num-1 if new_beer==1: word="bottle" print(new_beer,word , "of beer on wall") print()