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import types
type(x) is types.IntType # ÅжÏÊÇ·ñint ÀàÐÍ
type(x) is types.StringType #ÊÇ·ñstringÀàÐÍ
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³¬¼¶¶ñÐĵÄģʽ£¬²»ÓüÇסtypes.StringType
import types
type(x) == types(1) # ÅжÏÊÇ·ñint ÀàÐÍ
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isinstance
(
object, classinfo
)
Return true if the object
argument is an instance
of the classinfo
argument, or of a (direct or indirect)
subclass thereof. Also return true if classinfo
is a type
object and object
is an object of that type. If object
is not a class instance or an object of the given type, the function
always returns false. If classinfo
is neither a class
object nor a type object, it may be a tuple of class or type objects,
or may recursively contain other such tuples (other sequence types are
not accepted). If classinfo
is not a class, type, or
tuple of classes, types, and such tuples, a TypeError
exception is raised. Changed in version
2.2: Support for a tuple of type information was added.
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>>>lst = [1, 2, 3]
>>>type(lst)
<type 'list'>
²»½öÈç´Ë£¬»¹¿ÉÒÔÀûÓÃisinstanceº¯Êý£¬À´ÅжÏÒ»¸ö¶ÔÏóÊÇ·ñÊÇÒ»¸öÒÑÖªµÄÀàÐÍ¡£
isinstance˵Ã÷ÈçÏÂ:
    isinstance(object, class-or-type-or-tuple) -> bool
   
    Return whether an object is an instance of a class or of a subclass
thereof.
    With a type as second argument, return whether that is the object's
type.
   
The form using a tuple, isinstance(x, (A, B, ...)), is a shortcut
for
    isinstance(x, A) or isinstance(x, B) or ... (etc.).
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#!/bin/env python
import sys
import struct
try:
        f=open(sys.argv[1],'rb')
except (IOError,Exception):
    print '''usage:
        scriptname segyfilename
'''
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>>> import time
>>> import datetime
>>>
now = time.localtime()
>>> now
(2006, 4, 30, 18, 7, 35,
6, 120, 0)
>>> type(now)
<type 'time.struct_time'>
>>>
str_now = time.strftime("%m/%d/%Y %X", now )
>>>
str_n ......

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¶ÁÈ¡£¬xlrdµÄÏÂÔØ¼°°²×°¿ÉÒԲο´:
Python
"xlrd" package for extracting data from Excel files
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#coding=utf-8
import xlrd
import os, types, datetime
#excel´æ·ÅĿ¼
dir = u'D:\\temp\\excel'
......
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