AutomateTheBoringStuff--Chapter0: Edits 2

import math
import random
oddPasswords = ['12345', 'I have a secret password!', '1hi5 15 4 53CR31 P455W0RD', 'HAHAHA']
alpha = ['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z']
passwordFile = open('C:\My Stuff\SecretPasswordFile.txt')
secretPassword = passwordFile.read()
print('Enter your password.')
typedPassword = input()
if typedPassword == secretPassword:
    print('Access granted')
    print('Would you like a random password suggestion generator', 'Yes or No')
    permissionRandomGenerator = input().lower()
    print('How long do you want your password?')
    lengthRandomGenerator = int(input())
    if permissionRandomGenerator == 'yes':
        def a():
            return math.floor(random.random()*10)
        def b():
            return alpha[math.floor(random.random()*27)]
        c = []
        d = 0
        while d < lengthRandomGenerator:
            c.insert(d, a())
            d = d + 1
            c.insert(d, b())
            d = d + 1
        d = 0
        if lengthRandomGenerator <= 0:
            print('It has to be longer than that')
        elif lengthRandomGenerator >= 25:
            print('I can\'t generate a password that long')
        elif math.isnan(lengthRandomGenerator):
            print('error: not valid data type')
        else:
            while d < (len(c)-1):
                e = c[d]
                print(e)
                d = d + 1
        d = 0
        c = []
    elif permissionRandomGenerator == 'no':
        print('Too bad...')
    else:
        print('You had to answer Yes or No')
    for w in oddPasswords:
        if w == typedPassword:
            print('BTW:')
            break
    if typedPassword == '12345':
        print('That password is one that an idiot puts on their luggage.')
    if typedPassword == 'I have a secret password!':
        print('Yes you do!')
    if typedPassword == '1hi5 15 4 53CR31 P455W0RD':
        print('Don\'t use machine generated passwords.')
    if typedPassword == 'HAHAHA':
        print('Passwords are know laughing matter')
else:
    if typedPassword == '12345':
        print('How simple do you think my password is?!')
    if typedPassword == 'HAHAHA':
        print('You won\'t be laughing long.')
    print('Access Denied')
    print('Hacker!')