Programming error with SQlite3

i am getting the below errors

Traceback (most recent call last):
  File "D:\PYTHON SUPER INP\DB test - Copy1220.py", line 29, in <module>
    if __name__ == "__main__":main()
  File "D:\PYTHON SUPER INP\DB test - Copy1220.py", line 17, in main
    addCust("Zach")
  File "D:\PYTHON SUPER INP\DB test - Copy1220.py", line 13, in addCust
    VALUES(?)""",(name))
ProgrammingError: Incorrect number of bindings supplied. The current 
     statement uses 1, and there are 4 supplied.

with my follwing code

import sqlite3

createDb = sqlite3.connect(":memory:")
queryCurs = createDb.cursor()

def createTable():
    queryCurs.execute(''' CREATE TABLE customers
    (id INTEGER PRIMARY KEY, name TEXT)''')

def addCust(name):
    queryCurs.execute("""INSERT INTO customers (name)
    VALUES(?)""",(name))

def main():
    createTable()
    addCust("Zach")
    createDb.commit()

    queryCurs.execute("SELECT * FROM customers")

    for i in queryCurs:
      print "/n"
      for j in i:
          print j

queryCurs.close

if __name__ == "__main__":main()