python enumerateÓ÷¨
python cookbook
Recipe 2.5. Counting Lines in a File
£¬
½ñÈÕ·¢ÏÖÒ»¸öк¯Êý
enumerate
¡£Ò»°ãÇé¿ö϶ÔÒ»¸öÁбí»òÊý×é¼ÈÒª±éÀúË÷ÒýÓÖÒª±éÀúÔªËØÊ±£¬»áÕâÑùд£º
for
i
in
range
(0
,
len
(list
)):
print
i
,
list
[
i
]
µ«ÊÇÕâÖÖ·½·¨ÓÐЩÀÛ׸£¬Ê¹ÓÃ
ÄÚÖÃenumerrateº¯Êý»áÓиü¼ÓÖ±½Ó£¬ÓÅÃÀµÄ×ö·¨£¬ÏÈ¿´¿´enumerateµÄ¶¨Ò壺
def
enumerate
(collection
):
'Generates an indexed series:
(0,coll[0]), (1,coll[1]) ...'
i
=
0
it
=
iter
(collection
)
while
1
:
yield
(i
,
it
.
next
())
i
+=
1
enumerate»á½«Êý×é»òÁбí×é³ÉÒ»¸öË÷ÒýÐòÁС£Ê¹ÎÒÃÇÔÙ»ñÈ¡Ë÷ÒýºÍË÷ÒýÄÚÈݵÄʱºò¸ü¼Ó·½±ãÈçÏ£º
for
index
£¬
text
in
enumerate
(list
)):
print
index
,
text
ÔÚ
cookbookÀï½éÉÜ£¬Èç¹ûÄãÒª¼ÆËãÎļþµÄÐÐÊý£¬¿ÉÒÔÕâÑùд£º
count
=
len
(open
(thefilepath
,
‘
rU
’
).
readlines
())
Ç°ÃæÕâÖÖ·½·¨¼òµ¥£¬µ«ÊÇ¿ÉÄܱÈ
½ÏÂý£¬µ±Îļþ±È½Ï´óʱÉõÖÁ²»Äܹ¤×÷£¬ÏÂÃæÕâÖÖÑ»·¶ÁÈ¡µÄ·½·¨¸üºÏÊÊЩ¡£
Count
=
-
1
For
count
,
line
in
enumerate
(open
(thefilepath
,
‘
rU
’
))£º
Pass
Count
+=
1
Ïà¹ØÎĵµ£º
С°×¶ÔÉϽڿÎÀïµÄ“СÂéȸ”ÐËȤ°»È»£¬ÕûÌì¾ÍÔÚËÞÉáµ·¹Ä¡£Õâ²»£¬¼¸ÌìÏÂÀ´ËûÒѾ¹¥ÏÂÊ®¼¸¸öÍøÕ¾ÁË¡£
С²Ëȴϲ»¶Ò»¸öÈË×øÔÚµçÄÔÅԱߣ¬Öå×Åüͷ£¬ÐÀÉÍ×ÅÕâÒ»ÐÐÐÐ×Ô¼º¿´²»¶®µÄ´úÂë¡£“ÕâЩ×Ö·ûºÃ¹ÖÒìѽ£¡”С²ËÍá×ÅÍ·£¬“ËüΪɶ½ÐÕýÔò±í´ïÊ½ÄØ£¿”
°Ù¶Èһϣ¬ÖÕÓÚÖªµÀ¡£Ð¡² ......
½ñÌìÊǵڶþÌì×Ô¼º¿´¹ØÓÚPythonÁË£¬¿´¼ûÒ»¸öPython2дµÄ°Ù¶È´Êµä£¬ÎÒÒ²ÓÃPython 3 дÁËÒ»¸ö¡£ÕæµÄºÜСÇÉ£¬ºÇºÇ£¬ºÜºÃµÄÓïÑÔ¡£
²»ÖªµÀÔõôÉÏ´«´úÂë¸ñʽµÄ£¬¾ÍÉÏ´«Îı¾ÁË£º
# -*- coding: utf8 -*-
import urllib.parse
import urllib.request
def search(word):
#word = input("ÊäÈëÄãÒª²éѯµÄ ......
ÔÚLearning Python 3rd ÀïµÚÈý²¿·ÖÁ·Ï°ÌâÓеÀÌ⣺
1.c ±àдfor Ñ»·£¬¶ÔÓÚ×Ö·û´®S£¬·µ»ØÒ»¸öеÄÁÐ±í£¬ÆäÖаüº¬ÁË×Ö·û´®Ã¿¸ö×Ö·ûµÄASCIIÂë¡£
ÎÒµÄ˼·ÊÇ£º
for i in S:
L = [ord(i) for i in S] #Áбí½âÎöµÄ˼·
ÎҵĴíÎó˼·£º
for i in S:
L = L.append(ord(i))
Ìáʾ¿Õ¶ ......
³¬Èº.comµÄ²©¿Í
Pythonת»»office wordÎļþΪHTML
ÕâÀï²âÊԵĻ·¾³ÊÇ£ºwindows xp,office 2007,python 2.5.2,pywin32 build
213£¬ÔÀíÊÇÀûÓÃwin32com½Ó¿ÚÖ±½Óµ÷ÓÃoffice
API£¬ºÃ´¦ÊǼòµ¥¡¢¼æÈÝÐԺã¬Ö»ÒªofficeÄÜ´¦ÀíµÄ£¬python¶¼¿ÉÒÔ´¦Àí£¬´¦Àí³öÀ´µÄ½á¹ûºÍoffice wordÀïÃæ“Áí´æÎª”Ò»Ö¡£
#!/usr/bin/en ......
ÎÊÌâÃèÊö£º¼ÙÉèÎÒÓÐÕâÑùÁ½¸ölist£¬
Ò»¸öÊÇlist1£¬list1 = [1, 2, 3, 4, 5]
Ò»¸öÊÇlist2£¬list2 = [1, 4, 5]
ÎÒÃÇÈçºÎµÃµ½Ò»¸öеÄlist£ ......