python - dictionary

Name = {"Winner" : '贏家', 5 : "Dinner", 8.7 : "Chicken"}
print ("Name: ", Name)#{'Winner': '贏家', 5: 'Dinner', 8.7: 'Chicken'}
print ("Name['Winner']: ", Name['Winner'])#贏家
"""
KeyError
print ("Name['魯蛇']: ", Name['魯蛇'])
"""
Name[8.7] = 5
print ("Name[8.7]: ", Name[8.7])#5
del Name['Winner']
print ("Name: ", Name)#{5: 'Dinner', 8.7: 5}
Name['water'] = 1
print ("Name: ", Name)#{5: 'Dinner', 8.7: 5, 'water': 1}
print ('water' in Name)#True
for key in Name.keys():
    print (key)#5 8.7 'water'
for key,item in Name.items():
    print (item)#'Dinner' 5 1