Ex. 2.6 Write a function find_phone_numbers(text, code='357') that uses a regex to find and extract all the Cypriot phone numbers in a given text sequence. A valid Cypriot phone number starts with either 00 or + followed by the country code 357 and afterwards, 8 numeric digits.

Examples:

>> find_phone_numbers("""dkdkkdldld +35799394903 dkdkfk 0035799802358 fkfkfld. dldld;s;sdd dkdk +30690040404 and +3579933040""") ['+35799394903', '0035799802358']

Ex. 2.7 Write a function is_zip_code(zipcode) that uses a regex to test if a given string evaluates to a correct zip code. A correct zip code has a length of 6 characters with the 3 first being letters and followed by 3 digits.

Examples:

is_zip_code('ABC123') -> True is_zip_code('FYA598') -> True is_zip_code('wyz940') -> True is_zip_code('AB123') -> False is_zip_code('ABCD123') -> False is_zip_code('ABC12') -> False

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