Phone Number Readme

phone_readme.md

Normalized Phone Number

Write a program that cleans up user-entered phone numbers so that they can be sent SMS messages.

The rules are as follows:

• If the phone number is less than 10 digits assume that it is bad number
• If the phone number is 10 digits assume that it is good
• If the phone number is 11 digits and the first number is 1, trim the 1 and use the first 10 digits
• If the phone number is 11 digits and the first number is not 1, then it is a bad number
• If the phone number is more than 11 digits assume that it is a bad number

We've provided tests, now make them pass.

Hint: Only make one test pass at a time. You can turn off tests by sending the message skip to it:

def test_string_conversion
  skip
  assert_equal 1, "1".to_i
end

Source

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