6-2 喜欢的数字:
代码如下:
people={'Lily':'233','Jojo':'3','Bob':'5','admin':'7','Mike':'666'} for name in people.keys(): print(name+"'s favorite number is "+people[name]+".")
运行结果:
6-5 河流:
代码如下:
people={'Nile River':'Egypt','Amazon River':"Venezuela","Yangtze River":"China"} for name in people.keys(): print("The "+name+" runs through "+people[name]+".") for name in people.keys(): print(name,end=" ") print("") for name in people.values(): print(name,end=" ") print("")
结果如下:
6-6 调查:
代码如下:
people={'jen':'python','sarah':"c","edward":"ruby","phil":"python"} all_people=['jojo','bob','jen','sarah','edward','mike','phil'] for name in all_people: if name in people.keys(): print("Thank you for participation, "+name.title()+".") else: print("Would you want to have a test, "+name.title()+"?")
结果如下:
6-8 宠物:
代码如下:
Wang_Cai={"type":"dog","owner":"jojo"} Xiao_Hei={"type":"cat","owner":"bob"} pets=[Wang_Cai,Xiao_Hei] for pet in pets: print("The type of this pet is "+pet["type"]+" and its owner is "+pet["owner"]+".")
结果如下:
6-9 喜欢的地方:
代码如下:
Blacks=["Guangzhou","Tokyo","London"] Heis=["Shanghai","L.A"] Bais=["Beijing","California"] favourite_places={'Black':Blacks,'Hei':Heis,'Bai':Bais} for name in favourite_places.keys(): print(name+"wants to visit",end="") for place in favourite_places[name]: print(" "+place,end="") print(".")
结果如下: