Python merge Excel table (multi-sheet) implementation

# Import xlrd and xlwt modules
The #xlrd module is the module that reads .xls Excel files, and the xlwt module is the module that writes .xls Excel files in a non-appendable manner
import xlrd,xlwt
# Import the path to the file to be read
a=["C:/Users/Desktop/","C:/Users/Desktop/"]
# Define the path to the file to be written
b="C:/Users/Desktop/"
# Define a function that determines if an exception occurs when opening a file.
def open(fileaddress):
  try:
# Open an Excel file through the open_workbook() method of the xlrd module, defining the variable fo as the file handle.
    fo=xlrd.open_workbook(fileaddress)
    return fo
  except Exception as e:
    print("error!"+str(e))
# Define a function to get the number of rows of a label under a certain Excel file
def getrows(fo,num):
  table=()[num]
#sheets () function for the xlrd module comes with a function to return to the Excel file in the form of a list of labels
  n=
#nrows is a function that comes with the xlrd module, and can be called from a label to get the number of rows in that label.
  return n
"""
Define a function that can be obtained through the Excel file path and the serial number of the label
Any Excel file any label content, and return in the form of a list of
"""
def getsheetcontents(fileaddress,num):
  avalue=[]
  fo=open(fileaddress)
  table=()[num]
  n=
  for i in range(0,n):
    """
    row_values()function asxlrdFunctions that come with the module，Called through one of the tags，
    The row data for this tag is available,and these rows are returned as a list，tab
    A column is an element of a list
    """
    rdate=table.row_values(i)
    (rdate)
  return avalue
svalue=[]
k=[]
# Get the number of labels of all Excel files in a for loop and return them as a list.
for i in a:
  fo=open(i)
  (len(()))
# Sort these label counts in ascending order
()
# Put all the contents of these Excel files with different labels in the list svalue by a for loop
for i in range(0,k[len(k)-1]):
# Put the same label from different Excel files in the list bvalue via a for loop
  bvalue=[]
  for j in a:
    print("Reading."+str(j)+"the first"+str(i)+"A label.")
    (getsheetcontents(j,i))
  (bvalue)
Inside #svalue are the contents of all Excel files.

# Through the xlwt module Workbook () to create a .xls file, define a variable fw for the file handle
fw=()
line=0
The #add_sheet() function is a function that comes with the xlwt module to get a customized label
# Define the variable ws as a label handle
ws=fw.add_sheet("sheet1")
"""
Iterate through the svalue list with a for loop, and write the final data from the
data from a file or a row or a column of a tag into a new tag.
"""
for i in range(0,len(svalue)):
  for j in range(0,len(svalue[i])):
    for m in range(0,len(svalue[i][j])):
      for n in range(0,len(svalue[i][j][m])):
        (line,n,svalue[i][j][m][n])
# Get an increasing number of rows by line
      line+=1
print("Consolidation complete")
#save () function for xlwt comes with the function, will be merged into a good Excel file saved to a certain path
(b)
#xlrdmodules andxlwtNone of the modulesclose()function (math.)，I.e., you can use these two modules to open a file without closing it.