def get_pattern(name):
    pattern = []
    for letter in name:
        if letter.isalpha():
            pattern.append('a')
        elif letter.isdigit():
            pattern.append('0')
        else:
            pattern.append(letter)
    return ''.join(pattern)

patterns = []
patterns.append(lambda x: 'A' if x.isalpha() else x)
patterns.append(lambda x: '0' if x.isdigit() else x)

def get_pattern(name):
    for pattern in patterns:
        name = map(pattern, name)
    return ''.join(name)

>>> get_pattern('Mario Cesar 2013')
'AAAAA AAAAA 0000'

def get_pattern(name):
    return ''.join([(c.isalpha() and 'a') or (c.isdigit() and '0') or c for c in name])

def get_pattern(name):
    def simplify(character):
        if character.isalpha():
            return 'a'
        elif character.isdigit():
            return '0'
        return character
    return ''.join(map(simplify, name))

import string
translation = string.maketrans(string.ascii_letters + string.digits,
                               'a' * len(string.ascii_letters) +
                               '0' * len(string.digits))
def get_pattern(name):
    return name.translate(translation)