def get_file_lines(file_path):
 # 目標文件的路徑
 file_path = str(file_path)
 with open(file_path, 'rb') as file:
  # 定義行數(shù)
  i = 0
  while True:
   # 一次讀取一行數(shù)據(jù)
   line = file.readline()
   if not line :
    break
   else:
    # 每讀一行，行數(shù)加一
    i += 1
   #設(shè)置進度條，每當i讀取1000000行時打印一次i
   # 每當讀取1000000的整數(shù)倍行時，打印行數(shù)（進度條）
   if i % 1000000 == 0:
    print(i)
  # 打印總行數(shù)
  print(i)
  return i

# 定義均等切割函數(shù)，num是待切割的文件的行數(shù)的值，n為切割份數(shù),file_path是待切割的文件，file_dir是切割好的文件寫入的目錄
def evg_split(num, n, file_path, file_dir):
 last_list = []
 # 如果樣本剛好可以整除為n份
 if num % n == 0:
  for i in range(n):
   # 則直接將樣本分為n分沒份對應(yīng)num/n個
   last_list.append(num / n)
 # 如果不能整除
 if num % n != 0:
  # 如果不能整除，則先將num整除n-1并取n-1份,余下的單獨做一份
  evg = (num - num % n) // (n - 1)
  for i in range(n):
   last_list.append(evg)
  last_list.append(num % (n - 1))
 print(last_list)
 # return last_list
 # 對應(yīng)于切割后的每一份數(shù)據(jù)
 with open(file_path, 'rb') as path:
  for i in range(n):
   # 創(chuàng)建臨時文件
   tmp_file = file_dir + str(i) + '.txt'
   # 打開臨時文件，將內(nèi)容一條一條的寫入
   file = open(tmp_file, 'wb')
   for j in range(int(last_list[i])):
    line = path.readline()
    file.write(line)
    print(line)
   print('------------')
   file.close()

def merge( mylist1, mylist2, file1):
 while len(mylist1) > 0 and len(mylist2) > 0:
  if mylist1[0]<mylist2[0]:
   with open(file1,'a') as file:
    file.write(str(mylist1[0]))
    del mylist1[0]
  elif mylist1[0] > mylist2[0]:
   with open(file1,'a') as file:
    file.write(str(mylist2[0]))
    del mylist2[0]
  else:
   with open(file1,'a') as file:
    file.write(str(mylist1[0]))
    file.write(str(mylist2[0]))
    del mylist1[0]
    del mylist2[0]
 with open(file1, 'a') as file:
  for i in mylist1:
   file.write(str(i))
  for i in mylist2:
   file.write(str(i))