code that takes inputs for user name amounts etc and then sends custom message

[shaumyabrata]

I was trying this cose and I am not sure why this is not working as I am new to Python hence I am not abel to figure this out. Just trying to create a class and definitons through which I can add user and then also send them a message. Please need help on this cose not sure why I am getting errors like ,

Error:
"SyntaxError: multiple statements found while compiling a single statement"
"Traceback (most recent call last):
  File "<pyshell#36>", line 1, in <module>
    obj.add_user("justin", 123.32)
AttributeError: 'MessageUser' object has no attribute 'add_user'"

Traceback (most recent call last):
  File "<pyshell#38>", line 1, in <module>
    obj.get_details()
AttributeError: 'MessageUser' object has no attribute 'get_details'

Here is the Code,

import datetime

class MessageUser():
    user_details=[]
    messages=[]
    base_message="""Hi {name}!
Thank you for the purchase on {date}.
We hope you are exited about using it. Just as a
reminder the purchase total was ${total}.
Have a great one!

Team CFE
"""

def add_user(self, name, amount):
    name=name[0].upper()+name[1:].lower()
    amount="%.2f" %(amount)
    detail={
        "name": name,
        "amount": amount,
    }
    today=datetime.date.today()
    date_text='{today.month}/{today.day}/{today.year}'.format(today=today)
    detail['date']=date_text
    self.user_details.append(detail)

def get_details(self):
    return self.user_details

def make_messages(self):
    if len(self.user_details)>0:
        for detail in self.get_details():
            name=detail["name"]
            amount=["amount"]
            date=detail[date]
            message=self.base_message
            new_msg=unf_mesage.format(
                name=name,
                amount=amount,
                date=date
            )
            self.messages.append(new_msg)
        return self.messages
    return[]

obj=MessageUser()
obj.add_user("justin",123.32)
obj.add_user("john",94.32)
obj.get_details()

Really need help....