Python中判断字典的键或值在不在字典中 默认是判断的依据是条目在不在字典的键集合中

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

 

https://www.cnblogs.com/Lara1798/p/12849690.html