1.print(students_info[0][2])
2.print(info['company_info']['name'])
3.print(students[1]['hobbies'][1])
4.print('-----------info of Egon-----------')
input('Name : ')
input('Age : ')
input('Sex : ')
input('Job : ')
print('----------------end----------------')
5。username = 'liu'
password = '123'
username = input('请输入你的账号:')
password = input('请输入你的密码:')
if username == 'liu' and userpwd == '123':
print('True')
else:
print('False')
6.egon = input('请猜egon的年龄:')
egon = int(egon)
if egon > 18:
print('你猜大了')
elif egon < 18:
print('你猜小了')
elif egon == 18:
print('恭喜你猜对了')
7.print(10000//30)
print(10000%30)
8.egon = 18
egon += 3
print(egon)