python pandas merge data frames

Merge offline data of Baidu audio and video (with python 2.3), python2.3 Parsing in four formats: Filelist Slicelist Download. cfg Third_party_download.cfg Or two files. Replace the previous version. The preliminary test is normal, but the timeline is incorrect. The Code is as follows: # -*- coding: UTF-8 -*-import osimport ioimport codecsimport stringimport shut

Merge offline data of Baidu audio and video with python 2.3 format update, python2.3 It has not been updated for a long time. The resolution in four formats is supported. Filelist Slicelist Download. cfg Third_party_download.cfg Or two files. Replace the previous version. The preliminary test is normal, but the timeline is incorrect. # -*- coding: UTF-8 -*-import

" Connector characters ". Join (list or tuple or string or dictionary)Returns a string that is spliced with a connectorIf the object is a list, tuples are spliced in a subscript elementIf the object is a string, it is a word element that is spliced in unitsIf the object is a dictionary, it is stitched in a single key unitListIn [4]: a = ["123""123"]in ["". Join (a) In [6]: bout['123123'DictionaryIn []: a = {"fdasd":"adsf","afdasdf" :"asdf"}in ["". Join (a) in [+]: bout[ 'fdasdafdasdf'String" AS

1. Code implementationdefMerge_sort (alist):ifLen (alist) : returnalist#two-part decompositionnum = Len (alist)/2 Left=Merge_sort (Alist[:num]) right=Merge_sort (alist[num:])#Merging returnmerge (Left,right)defmerge (left, right):" "merge operation, combine two ordered arrays left[] and right[] into a large ordered array" " #The subscript pointer to left and rightL, R =0, 0 result= [] whileL andrLen (right):ifLEFT[L] Right[r]: Result.