dict1={'name':'Lara','age':18}
#判断键在不在字典中
for one in dict1:
if 'name' in dict1:#或dict1.keys()
print('key在字典中!')
break
#判断值在不在字典中
for one in dict1:
if 'Lara' in dict1.values():
print('value在字典中!')
break
Python中判断字典的键或值在不在字典中
“学习必须如蜜蜂一样,采过许多花,这才能酿出蜜来。”