Python 文件切割

#import os#os.mkdir(r"C:\Users\Tsinghua-yincheng\Desktop\day13\split") #创建文件夹num=10filesplitlist=[] #文件集合for  i   in  range(num):    filepath=r"C:\切割后的文件\data"+str(i+1)+".txt"    file=open(filepath,"wb")    filesplitlist.append(file)fileallpath=r"C:\要切割的文件\bigdata.txt" #归并fileall=open(fileallpath,"rb")#写入i=0for  line  in fileall:    filesplitlist[i%num].write(line)    i+=1    #print(line)fileall.close()for  i   in  range(num):    filesplitlist[i].close()#关闭文件