import time
import sys
login = "Mongoose"
password = "secret"
x = 1

print "Welcome User"
print ""

login = raw_input("Username: ")

password = raw_input("Password: ")

if login == 'Mongoose':
    x = x + 1
else :
    x = x - 1

if password == 'secret':
    x = x + 1
else :
    x = x - 1


if x > 1:
    string = '...n'
for char in string:
    sys.stdout.write(char)
    sys.stdout.flush()
    time.sleep(.10)
time.sleep(0.5)
string = '...n'
for char in string:
    sys.stdout.write(char)
    sys.stdout.flush()
    time.sleep(.10)
time.sleep(0.5)
string = '...n'
for char in string:
    sys.stdout.write(char)
    sys.stdout.flush()
    time.sleep(.10)
time.sleep(0.5)
string = '...n'
for char in string:
    sys.stdout.write(char)
    sys.stdout.flush()
    time.sleep(.10)
time.sleep(0.5)
string = '...n'
for char in string:
    sys.stdout.write(char)
    sys.stdout.flush()
    time.sleep(.10)
time.sleep(0.5)
string = '...n'
for char in string:
    sys.stdout.write(char)
    sys.stdout.flush()
    time.sleep(.10)
time.sleep(0.5)
string = '...n'
for char in string:
    sys.stdout.write(char)
    sys.stdout.flush()
    time.sleep(.10)
time.sleep(0.5)
string = 'Access Grantedn'
for char in string:
    sys.stdout.write(char)
    sys.stdout.flush()
    time.sleep(.10)

if x < 1:
    string = 'Access Deniedn'
for char in string:
    sys.stdout.write(char)
    sys.stdout.flush()
    time.sleep(.10)

Traceback (most recent call last):
     File "./login3.py", line 27, in <module>
        for char in string:
    NameError: name 'string' is not defined