users= { 'first_person':{'firstname':'lamar','lastname':'odom'},'second_person':{'firstname':'james','lastname':'lebron'}}
for value in users.values():
for keys in value.keys():
print (value[keys])
print (' \n')
不懂为什么这个程序的结果是:
lebron
james
odom
lamar
中间有两个空格
而当我把程序改为
users= { 'first_person':{'firstname':'lamar','lastname':'odom'},'second_person':{'firstname':'james','lastname':'lebron'}}
for value in users.values():
for keys in value.keys():
print (value[keys])
print (' test')
结果是:
odom
lamar
test
lebron
james
test
(这个结果和我的理解是一致的)