AttributeError: 'int' object has no attribute 'islower'

Question

Hi, I'm trying to test(lower, upper, alphanumeric, numeric) the output from each iteration in " for loop", however i get the error "AttributeError: 'int' object has no attribute 'islower'"

"""
lista = []
password = 'Test}123'
pass_len = int(len(password))
for n in range(pass_len):
if n.islower()==True:
if 'lower' in lista:
pass
lista.append['lower']
if n.isupper()==True:
if 'upper' in lista:
pass
lista.append['upper']
if n.isapha()==True:
if 'alpha' in lista:
pass
lista.append['alpha']
if n.numeric()==True:
pass
lista.append['numeric']
if len(lista)<4:
print ('Yor password isnt strong enough')
else: pass

"""

Answer 1

Okay
n cant be lower you might mean password[n]