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Engineering, 18.11.2019 21:31 mm016281

The function below takes a single string parameter: phone_number. phone numbers will be passed in using the format '(555)867-5309'. complete the function to return the area code (the numbers wrapped in parentheses) as a string. for example, your code should return '555' if given the phone number above. hint: you can just use slicing for this.

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