day02 python基础
列表: 定义:在[]内,可以存放多个任意类型的值,并以逗号隔开。 #定义一个学生列表,可以存放多个学生 students = ['sally','lin','anser','rola'] print(students[1]) #lin student_info = ['Yuan',22,'male',['泡8','喝9']] print(student_info[3]) #取杨波的第二个爱好 print(student_info[3][1]) #成员运算 print('Yuan' in student_info) #True print('Yuan' not int student_info) #False #追加 student_info = ['Yuan',22,'male',['泡8','喝9']] student_info.append = ('安徽最牛的学校,合肥学院') #删除 student_info = ['Yuan',22,'male',['泡8','喝9']] print(student_info[3] #取Yuan所有的爱好 print(student_info[3][1]) #取Yuan的第二个爱好 优先掌握的操作: 1、按索引取值;既可存也可取 print(student_info[-2] 2、切片(顾头不顾尾,步长) print(student_info