Script not working. Error

[vjg33]

This programme writes the data in any Comma-separated value file (such as: .csv or .data) to a Excel file.
The input and output files must be in the same directory of the python file for the programme to work.

Name of the CSV file for input (with the extension): RUTGERS_AXIUM_PB_NONEDI_20230408_LINE.CSV
Separator of the CSV file: |
Name of the excel file for output (with the extension): ztest.xls
Name of the excel sheet for output: test1
File Error!

import openpyxl
import sys

#inputs
print("This programme writes the data in any Comma-separated value file (such as: .csv or .data) to a Excel file.")
print("The input and output files must be in the same directory of the python file for the programme to work.\n")

csv_name = input("Name of the CSV file for input (with the extension): ")
sep = input("Separator of the CSV file: ")
excel_name = input("Name of the excel file for output (with the extension): ")
sheet_name = input("Name of the excel sheet for output: ")

#opening the files
try:
wb = openpyxl.load_workbook(excel_name)

sheet = wb.get_sheet_by_name(sheet_name)

file = open(csv_name,"r",encoding = "utf-8")

except:
print("File Error!")
sys.exit()

#rows and columns
row = 1
column = 1

#for each line in the file
for line in file:
#remove the \n from the line and make it a list with the separator
line = line[:-1]
line = line.split(sep)

#for each data in the line
for data in line:
    #write the data to the cell
    sheet.cell(row,column).value = data
    #after each data column number increases by 1
    column += 1

#to write the next line column number is set to 1 and row number is increased by 1
column = 1
row += 1

#saving the excel file and closing the csv file
wb.save(excel_name)
file.close()