python基础day03

#作用：记录/存多个值，可以方便地取出来指定位置的值，比如人的多个爱好，一堆学生姓名
#定义：在[]内用逗号分隔开多个任意类型的值
l=[10,3.1,'egon',['a','b']] # l = list([10,3.1,'egon',['a','b']])
# print(l)
# print(l[0])
# print(l[2])
# print(l[3])
# print(l[3][1])

# l1=['a','b',['c',['d',]]]
# print(l1[2][1][0])
print(type(l))

#使用:
# hobbies="read music sleep eat play"
# hobbies=["read","music","sleep","eat","play"]
# print(hobbies[2])

# 小练习
students_info=[
['egon',18,['play',]],
['alex',18,['play','sleep']]
]
print(students_info[1][2][0])