fruit=[1,2,3,4]
#列表
for fruits in fruit:
print(fruits)
car=("bwm","audia","orange")
#元祖
for cars in car:
if cars=="bwm":
print(cars)
else:
print(2)
aline={"name":'cat',"age":"2","color":"black"}
#字典
print(aline)
#aline.append({"contry":"mars"})
print(aline)
Name=aline.get("name")
print(Name)
print("cat" in aline)
#false 为什么,只能找key,不能找value
print('cat' in aline)
print("name" in aline)
#true