inserting data into oracle db using python

[Ofnuts]

import sys
import cx_Oracle

class Customer():    
   def createCustomer(self,fname):
       print ("name is %s" % fname)
       db = cx_Oracle.connect('system/12345678@localhost/XE' )
       cursor=db.cursor()
       cursor.execute("INSERT INTO telm  VALUES (fname)")
       db.commit()

fname=input("Enter your first name :")
c1=Customer();
c1.createCustomer(fname)
     

output---

Enter your first name :rahul
name is rahul
Traceback (most recent call last):
 File "E:\python\test_cust.py", line 14, in <module>
   c1.createCustomer(fname)
 File "E:\python\test_cust.py", line 9, in createCustomer
   cursor.execute("INSERT INTO telm  VALUES (fname)")
cx_Oracle.DatabaseError: ORA-00984: column not allowed here

See the "Bind Variable Patterns" section in this page.