#coding=gbk
##习题1：
print "##习题1##----------------------------------------------\n"
#列表
a = [11,22,24,29,30,32]
print "#1 把28插入到列表的末端\n"
a.insert(-2,"28")
print a
a.append(28)
print a
print "#2 在元素29后面插入元素57\n"
a.insert(4,"57")
print a
print "#3 把元素11修改成6\n"
a[0] = 6
print a
print "#4 删除元素32\n"
del a[-1]
print a
a.pop(-2)
print a
print "#5 对列表从小到大排序\n"
a.sort()
print a
print "##习题2##----------------------------------------------\n"
#列表
b = [1,2,3,4,5]
print "#1 用2种方法输出下面的结果："
print "#[1,2,3,4,5,6,7,8]\n"
print "#方法一"
a = [6,7,8]
b.extend(a)
print b
print "#方法二"
c = b + [6,7,8]
print c
print "#2 用列表的2种方法返回结果：[5,4]\n"
print "#方法一"
b = [1,2,3,4,5]
a = b[3:]
a.reverse()
print a
print "#方法二"
a = [b[x] for x in range(len(b)) if x >2]
a.sort(reverse=True)
print a
print "#方法三"
print b[-1:-3:-1]
print "方法四"
d = []
d.append(b.pop())
d.append(b.pop())
print d
print "#3 判断2是否在列表里"
if 2 in b:
print "2 in b"
else:
print "2 not in b"
print "##习题3："
b = [23,45,22,44,25,66,78]
print "#用列表解析完成下面习题：\n"
print "#1 生成所有奇数组成的列表\n"
print [x for x in b if x % 2 == 1 ]
print "#2 输出结果: ['the content 23','the content 45']\n"
print ['the content %s' % b[x] for x in range(len(b)) if x < 2 ]
print ['the content %s' % x for x in b[0:2:1]]
print "#3 输出结果: [25, 47, 24, 46, 27, 68, 80]\n"
print [x + 2 for x in b ]
print "##习题4:#用range方法和列表推导的方法生成列表：#[11,22,33]\n"
print [m * 11 for m in range(1,4,1)]
print [x for x in xrange(34) if x >10 and x % 11 == 0]
print range(11,34,11)
print "##习题5："
#已知元组:
a = (1,4,5,6,7)
print "#1 判断元素4是否在元组里"
if 4 in a:
print "4 in a"
else:
print "4 not in a"
print "#2 把元素5修改成8"
b = list(a)
b[2] = 8
a = tuple(b)
print a
print "##习题6："
print "#已知集合:setinfo = set('acbdfem')和集合finfo = set('sabcdef')完成下面操作：\n"
setinfo = set('acbdfem')
finfo = set('sabcdef')
print "#1 添加字符串对象'abc'到集合setinfo\n"
setinfo.add('abc')
print setinfo
print "#2 删除集合setinfo里面的成员m\n"
setinfo.remove('m')
print setinfo
print "#3 求2个集合的交集和并集\n"
print setinfo | finfo #并集
print setinfo & finfo #交集
print """##习题7：
用字典的方式完成下面一个小型的学生管理系统。
1学生有下面几个属性：姓名，年龄，考试分数包括：语文，数学，英语得分。
#比如定义2个同学：
#姓名：李明，年龄25，考试分数：语文80，数学75，英语85
#姓名：张强，年龄23，考试分数：语文75，数学82，英语78
"""
student_info = {'liming':{'name':'李明',"年龄":25,"分数":\
{"语文":80,"数学":75,"英语":85}}}
student_info['zhangqiang'] = {'name':'张强','年龄':23,'分数':\
{'语文':75,'数学':82,'英语':78}}
print "#2 给学生添加一门python课程成绩，李明60分，张强：80分\n"
student_info['liming']['分数']['python'] = 60
student_info['zhangqiang']['分数']['python'] = 80
print ['liming']['分数']['python']
print ['zhangqiang']['分数']['python']
print "#3 把张强的数学成绩由82分改成89分\n"
student_info['zhangqiang']['分数']['数学'] = 89
print "#4 删除李明的年龄数据\n"
del student_info['liming']['年龄']
print "#5 对张强同学的课程分数按照从低到高排序输出。\n"
b = student_info["zhangqiang"]["分数"].values()
b.sort
print b
print "#6 外部删除学生所在的城市属性，不存在返回字符串 beijing\n"
print student_info.pop("城市","北京")
