Python Error var not defined Im trying to figure out where in my main function or anywhere do I place my return balance

[answerhappygod]

Python Error var not defined
Im trying to figure out where in my main function or anywhere doI place my return balance and return serviceCharge variable so itbecomes defined.
# Date functionfrom datetime import datetime
def getDate(prompt): while (True):
dateValue = input(prompt) # initializing format with: format ="%d-%m-%Y" format = "%d-%m-%Y" # using try-except to check for truthvalue try: check =bool(datetime.strptime(dateValue, format)) return str(dateValue) except ValueError: # printing result print("\tIncorrect Date format.Try again" )# Function to print the menudef menu(): print('----------------------------------------------------------------------------') print('Transaction Menu') print('----------------------------------------------------------------------------') print('W: Process a check') print('D: Process a deposit') print('E: Exit') print('----------------------------------------------------------------------------')
def output(nameFirst, nameLast,dateEntered, account): print(nameFirst,"'s Transaction Statement") print('----------------------------------------------------------------------------') print('Name: ', nameFirst, nameLast) print("Today's Date:", dateEntered) print('Account Number:',account) print('Current Balance: $%.2f'%balance) print('Accrued service charges:$%.2f'%serviceCharge) print('End of Transaction balance: $%.2f'%(balance -serviceCharge)) print('End of Transaction Summary') print('----------------------------------------------------------------------------')
def userInfo(): print('Enter Your Information') nameFirst = getString('Enter your first name:') nameLast = getString('Enter your last name: ') dateEntered = getDate("Enter today's date asmm-dd-yyyy: ") account = getValue('Enter Account Number: ') initialBalance = getFloatValue('Enter your initialBalance') return nameFirst, nameLast, dateEntered, account,initialBalance
# Function to get a stringdef getString(prompt): value = input(prompt) return value
# Function to get non float valuedef getValue(prompt): while True: try: value =int(input(prompt)) if(value >= 0): returnvalue else: print('\tNegative number entered. Try Again!') except ValueError: print('\tError! NonNumber entered Try Again!')# Funtion to get a float valuedef getFloatValue(prompt): while True: try: value =float(input(prompt)) if(value >= 0): returnvalue else: print('\tNegative number entered. Try Again!') except ValueError: print('\tError! NonNumber entered Try Again!')
# main project funtion def main(): nameFirst, nameLast, dateEntered, account,initialBalance = userInfo() balance = -1 serviceCharge = 0 while balance < 0: balance = initialBalance
# Loop till the user Ends the transition while(True): # Call method to print the menu menu() # input transition type transactionType = getString('Entertransaction type: ') transactionType =transactionType.upper() # Check if iput is valid if not (transactionType == 'W' ortransactionType == 'D' or transactionType == 'E'): print('Invalidchoice') continue # Check for Withdrawal if transactionType == 'W': # Input amount towithdraw amount =getFloatValue('Enter Withdrawl amount: ') print('Processing Checkfor $%.2f'%amount) # Check whether amount issufficient or not if amount >balance: print('Cannot Process Withdrawl of $%.2f'%amount) print('OverDraft: Insufficient Balance') print('Current Balance: $%.2f'%balance) print('OneTime Service charge of: $40.25 for Over Draft Fee') # Incrementservice charge for overdraft serviceCharge += 40.25 print('Accrued service charges: $%.2f'%serviceCharge) # If amount issufficient, program will enter here else: print('Processed Withdrawl for $%.2f'%amount) # Decrementthe balance balance -=amount print('Current Balance: $%.2f'%balance) print('Service charge: $.25 for Withdrawl') # Incrementservice charge serviceCharge += 0.25 print('Accrued service charges: $%.2f'%serviceCharge) # Check for Deposit and inputamount elif transactionType == 'D': amount =getFloatValue('Enter Deposit amount: ') print('Processing Depositof $%.2f'%amount) print('Processed Depositof $%.2f'%amount) # Incement thebalance balance += amount print('Current Balance:$%.2f'%balance) print('Accrued servicecharges: $%.2f'%serviceCharge) # Check for Exit command elif transactionType == 'E': print('Processing end ofTransaction') print('----------------------------------------------------------------------------') # Break the loop break # For incorrect input give amessage else: print('InvalidChoice')
output(nameFirst, nameLast, dateEntered, account)
main()