Here is update code and template that I have to use for project:  I have solved all issues but I keep getting a

EmpFIle is not defined.    I have EmpFIle defined ( EmpFile = open("Employees.txt","r"),   EmpFile = open("Employees.txt", "a+")   EmpFile.write(EmpDetail). The only error that I can not solve.  PLease help!!! Thank you!!!!

def CreateUsers():
   print('##### Create users, passwords, and roles #####')
   ########## Open the file user.txt in append mode and assign to UserFile
   with open('user.txt', 'a') as UserFile:
 
     while True:
       ########## Write the line of code that will call function GetUserName and assign the return value to username
                username = GetUserName()      
                if (username.upper() == "END"):
                    break
       ########## Write the line of code that will call function GetUserPassword and assign the return value to userpwd
                    userpwd =  GetUserPassword()
       
########## Write the line of code that will call function GetUserRole() and assign the return value to userrole
                    userrole =  GetUserRole()
                    UserDetail = username + "|" + userpwd + "|" + userrole + "\n"  
                    UserFile.write(UserDetail)
   # close file to save data
   ########## Write the line of code that will close the file UserFile
                    UserFile.close()      
                    printuserinfo()

def GetUserName():
   ##### write the code to enter the username or End and return username
         username = input("Enter username or END to Quit: ")
         return username

def GetUserPassword():
   ##### write the code to enter the pwd and return pwd
         userpwd = input("Enter pwd: ")
         return userpwd

def GetUserRole():
    userrole = input("Enter role (Admin or User): ")
    while True:
        ####### write the if statement that validates that Admin or User has been entered. If true, return userrole.  If false, re-input userrole
                if(userrole == "Admin", userrole == "User"):
                 return userrole
                else:
                     ('Please input a valid userrole (Admin or User).')

def printuserinfo():
   UserFile = open("Users.txt","r")
   while True:
       UserDetail = UserFile.readline()
       if not UserDetail:
           break
       UserDetail = UserDetail.replace("\n", "") #remove carriage return from end of line
       UserList = UserDetail.split("|")
       username = UserList[0]
       userpassword = UserList[1]
       userrole = UserList[2]
       print("User Name: ", username, " Password: ", userpassword, " Role: ", userrole)

############################################################################################

def Login():
       # read login information and store in a list
   ########## Write the line of code that will open the file Users.txt in read mode
   with open('user.txt', 'r') as UserList:
   
     UserName = input("Enter User Name: ")
     UserRole = "None"
   while True:
      ########## Write the line of code that will read a line from UserFile and assign it to UserDetail
              UserDetail = UserFile.readline()
              if not UserDetail:
                 return UserRole, UserName
      ########## Write the line of code that will replace the carriage return in UserDetail
                 UserDetail = UserDetail.replace("\n", "")
     
      ########## Write the line of code that will split UserDetail on the pipe delimiter (|) and assign it to UserList
                 UserDetail += UserList.split("|")  

                 if UserName == UserList[0]:
                    UserRole = UserList[2]  # user is valid, return role
                    return UserRole, UserName
                    return UserRole, UserName
#########################################################################################
def GetEmpName():
   empname = input("Enter employee name: ")
   return empname
def GetDatesWorked():
   fromdate = input("Enter Start Date (mm/dd/yyyy: ")
   todate = input("Enter End Date (mm/dd/yyyy: ")
   return fromdate, todate
def GetHoursWorked():
   hours = float(input('Enter amount of hours worked:  '))
   return hours
def GetHourlyRate():
   hourlyrate = float(input ("Enter hourly rate: "))
   return hourlyrate
def GetTaxRate():
   taxrate = float(input ("Enter tax rate: "))
   return taxrate
def CalcTaxAndNetPay(hours, hourlyrate, taxrate):
   grosspay = hours * hourlyrate
   incometax = grosspay * taxrate
   netpay = grosspay - incometax
   return grosspay, incometax, netpay

def printinfo(DetailsPrinted):
   TotEmployees = 0
   TotHours = 0.00
   TotGrossPay = 0.00
   TotTax = 0.00
   TotNetPay = 0.00
   EmpFile = open("Employees.txt","r")
   while True:
       rundate = input ("Enter start date for report (MM/DD/YYYY) or All for all data in file: ")
       if (rundate.upper() == "ALL"):
           break
       try:
           rundate = datetime.strptime(rundate, "%m/%d/%Y")
           break
       except ValueError:
           print("Invalid date format. Try again.")
           print()
           continue  # skip next if statement and re-start loop
   while True:
       EmpDetail = EmpFile.readline()
       if not EmpDetail:
           break
       EmpDetail = EmpDetail.replace("\n", "") #remove carriage return from end of line
       EmpList = EmpDetail.split("|")
       fromdate = EmpList[0]
       if (str(rundate).upper() != "ALL"):
           checkdate = datetime.strptime(fromdate, "%m/%d/%Y")
           if (checkdate < rundate):
               continue        
       todate = EmpList[1]
       empname = EmpList[2]
       hours = float(EmpList[3])
       hourlyrate  = float(EmpList[4])
       taxrate = float(EmpList[5])
       grosspay, incometax, netpay = CalcTaxAndNetPay(hours, hourlyrate, taxrate)
       print(fromdate, todate, empname, f"{hours:,.2f}",  f"{hourlyrate:,.2f}", f"{grosspay:,.2f}",  f"{taxrate:,.1%}",  f"{incometax:,.2f}",  f"{netpay:,.2f}")
       TotEmployees += 1
       TotHours += hours
       TotGrossPay += grosspay
       TotTax += incometax
       TotNetPay += netpay
       EmpTotals["TotEmp"] = TotEmployees
       EmpTotals["TotHrs"] = TotHours
       EmpTotals["TotGrossPay"] = TotGrossPay
       EmpTotals["TotTax"] = TotTax
       EmpTotals["TotNetPay"] = TotNetPay
       DetailsPrinted = True  
   if (DetailsPrinted):  #skip of no detail lines printed
       PrintTotals (EmpTotals)
   else:
       print("No detail information to print")
def PrintTotals(EmpTotals):    
   print()
   print(f'Total Number Of Employees: {EmpTotals["TotEmp"]}')
   print(f'Total Hours Worked: {EmpTotals["TotHrs"]:,.2f}')
   print(f'Total Gross Pay: {EmpTotals["TotGrossPay"]:,.2f}')
   print(f'Total Income Tax:  {EmpTotals["TotTax"]:,.2f}')
   print(f'Total Net Pay: {EmpTotals["TotNetPay"]:,.2f}')

 

if __name__ == "__main__":
   ##################################################
   ########## Write the line of code to call the method CreateUsers
   CreateUsers()
   print()
   print("##### Data Entry #####")
   ########## Write the line of code to assign UserRole and UserName to the function Login
def Loggin(UserRole, UserName):
   DetailsPrinted = False  ###
   EmpTotals = {} ###
   ########## Write the if statement that will check to see if UserRole is equal to NONE (NOTE: code will show red error lines until this line is written)
   if UserRole == NONE:
      print(UserName," is invalid.")
   else:
   # only admin users can enter data
       ##### write the if statement that will check to see if the UserRole is equal to ADMIN (NOTE: code will show red error lines until this line is written)
       if UserRole == ADMIN:
 
           EmpFile = open("Employees.txt", "a+")                
           while True:
               empname = GetEmpName()
               if (empname.upper() == "END"):
                   break
               fromdate, todate = GetDatesWorked()
               hours = GetHoursWorked()
               hourlyrate = GetHourlyRate()
               taxrate = GetTaxRate()
               EmpDetail = fromdate + "|" + todate  + "|" + empname  + "|" + str(hours)  + "|" +                           str(hourlyrate)  + "|" + str(taxrate) + "\n"  
               EmpFile.write(EmpDetail)
       # close file to save data
           EmpFile.close()    
       printinfo(DetailsPrinted)