python enumerateÓ÷¨
python cookbook
Recipe 2.5. Counting Lines in a File
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enumerate
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for
i
in
range
(0
,
len
(list
)):
print
i
,
list
[
i
]
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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
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for
index
£¬
text
in
enumerate
(list
)):
print
index
,
text
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count
=
len
(open
(thefilepath
,
‘
rU
’
).
readlines
())
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Count
=
-
1
For
count
,
line
in
enumerate
(open
(thefilepath
,
‘
rU
’
))£º
Pass
Count
+=
1
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>>> from socket import socket, SOCK_DGRAM, AF_INET
>>> s = socket(AF_INET, SOCK_DGRAM)
>>> s.connect(('google.com', 0))
>>> s.getsockname()
('192.168.1.113', 43711)
Linux:
import socket
import fcntl
import struct
def get_ip_address(ifname):
s = ......
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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¶ ......
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import os
from time import strftime
stamp=strftime("%Y-%m-%d %H:%M:%S")
logfile = 'F:\\test\\m-php-framework\\tmp\logs\\error_report.log'
path = 'F:\\test\\'
files = os.listdir(path)
bytes = 0
numfiles = 0
for f in files:
if f.startswith('t'): ......
ʹÓÃxlrd
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¶ÁÈ¡£¬xlrdµÄÏÂÔØ¼°°²×°¿ÉÒԲο´:
Python
"xlrd" package for extracting data from Excel files
---------------------------------------------------------------------------------
#coding=utf-8
import xlrd
import os, types, datetime
#excel´æ·ÅĿ¼
dir = u'D:\\temp\\excel'
......
import types
type(x) is types.IntType # ÅжÏÊÇ·ñint ÀàÐÍ
type(x) is types.StringType #ÊÇ·ñstringÀàÐÍ
.........
--------------------------------------------------------
³¬¼¶¶ñÐĵÄģʽ£¬²»ÓüÇסtypes.StringType
import types
type(x) == types(1) # ......