Generates a number of random passwords of chosen length and outputs them to a file.

passgen.py

from random import choice

types = [
        map(chr, range(97, 123)),
        map(chr, range(65, 91)),
        range(0, 10)
    ]

def password_gen(length): # Generates a random password
   password = []
   for char in range(1, length+1):
       password.append(choice(choice(types)))
   return ''.join(map(str, password)) 

length = int(raw_input("Enter pass length please: "))
number = int(raw_input("Enter number of passwords to generate: "))

f = open('passwords.txt', 'w')

for a in range(1, number+1):
    f.write(password_gen(length) + '\n')

f.close()