# -*- coding:utf-8 -*-

#基本的for循环语句

test_list = [2,"Jone",3,6,7,'hongten','hanyuan','good',"Tom"]

#打印列表的长度

print(len(test_list))

#遍历列表

for i in test_list:

print(i)

test_str = "hello,i'm hongten"

print('print string: ' + test_str)

#遍历一个字符串

print('Traversal a string')

for i in test_str:

print(i)

test_tuple = [("a",1),("b",2),("c",3),("d",4)]

print(test_tuple)

#遍历一个元组

print('Traversal a tuple ')

for (i,j) in test_tuple:

print(i,j)

test_dict = {'name':'hongten','age':'20','gender':'M','sports':' football, bingpongball, swimming'}

#字典迭代器

for key in test_dict:

print(key + ':' + test_dict[key])

L1 = [1,3,5,7]

L2 = [2,4,6,8]

#使用zip将两个列表合并

print(zip(L1,L2))

for (i,j) in zip(L1,L2):

print(i,j)

print('#######################################################')

L3 = L2[:]

L3.remove(8)

print('L1,L3 list: ')

print(L1)

print(L3)

for (i,j) in zip(L1,L3):

print(i,j)

#可以看出来当长度不一的时候，多余的被忽略

test_keys = ['name','age','gender','weight','hight']

test_values = ['Hongten','20','M','55','170']

#使用zip来构造一个字典

print('dict\'s keys: ')

print(test_keys)

print('key\'s value:')

print(test_values)

print('after constructing ')

test_dic = dict(zip(test_keys,test_values))

for key in test_dic:

print( key + ':' + test_dic[key])

'''

D:\Py_exam>python for_ex.py

9

2

Jone

3

6

7

hongten

hanyuan

good

Tom

print string: hello,i'm hongten

Traversal a string

h

e

l

l

o

,

i

'

m

h

o

n

g

t

e

n

[('a', 1), ('b', 2), ('c', 3), ('d', 4)]

Traversal a tuple

('a', 1)

('b', 2)

('c', 3)

('d', 4)

gender:M

age:20

name:hongten

sports: football, bingpongball, swimming

[(1, 2), (3, 4), (5, 6), (7, 8)]

(1, 2)

(3, 4)

(5, 6)

(7, 8)

#######################################################

L1,L3 list:

[1, 3, 5, 7]

[2, 4, 6]

(1, 2)

(3, 4)

(5, 6)

dict's keys:

['name', 'age', 'gender', 'weight', 'hight']

key's value:

['Hongten', '20', 'M', '55', '170']

after constructing

gender:M

age:20

name:Hongten

weight:55

hight:170

D:\Py_exam>

'''

'''

Python 3.3.2 (v3.3.2:d047928ae3f6, May 16 2013, 00:03:43) [MSC v.1600 32 bit (Intel)] on win32

Type "copyright", "credits" or "license()" for more information.

>>> ================================ RESTART ================================

>>>

Jone

hongten

hanyuan

good

Tom

打印字符串：hello,i'm hongten

遍历一个字符串

h

e

l

l

o

,

i

'

m

h

o

n

g

t

e

n

[('a', 1), ('b', 2), ('c', 3), ('d', 4)]

遍历一个元组

a 1

b 2

c 3

d 4

sports:足球，乒乓球，游泳

gender:M

name:hongten

age:20

<zip object at 0x01FA1AA8>

2

4

6

8

#######################################################

L1,L3列表为：

[1, 3, 5, 7]

[2, 4, 6]

2

4

6

字典中的keys：

['name', 'age', 'gender', 'weight', 'hight']

字典中的key对应的value：

['Hongten', '20', 'M', '55', '170']

构造字典后

weight:55

hight:170

gender:M

name:Hongten

age:20

>>>

'''