Programming, Python, Data Science, Dataset, Big Data.
our desired format. That class looks something like listing 2. import re class phone_formatter: ❶ def __init__(self): ❷ self.r = re.compile(r"d") def prettyFormat(self,phone_number): ❸ phone_numbers = self.r.findall(phone_number) area_code = "".join(phone_numbers[-10:-7]) ❹ first_3 =