Question

The convert_phone_number function checks for a U.S. phone number format: XXX-XXX-XXXX (3 digits followed by a dash, 3 more digits followed by a dash, and 4 digits), and converts it to a more formal format that looks like this: (XXX) XXX-XXXX. Fill in the regular expression to complete this function. 1 2? def convert_phone_number(phone): import re 3 result = re.sub(__) 4 return result 5 6 print(convert_phone_number("My number is 212-345-9999.")) # My number is (212) 345-9999. 7 print(convert_phone_number("Please call 888-555-1234")) # Please call (888) 555 -1234 8 print(convert_phone_number("123-123-12345")) # 123-123-12345 9 print(convert_phone_number("Phone number of Buckingham Palace is +44 303 123 7300")) # Phone number of Buckingham Palace is +44 303 123 7300

          The convert_phone_number function checks for a U.S. phone number format: XXX-XXX-XXXX (3 digits
followed by a dash, 3 more digits followed by a dash, and 4 digits), and converts it to a more formal format
that looks like this: (XXX) XXX-XXXX. Fill in the regular expression to complete this function.
1
2? def convert_phone_number(phone):
import re
3
result = re.sub(__)
4
return result
5
6
print(convert_phone_number("My number is 212-345-9999.")) # My number is (212)
345-9999.
7 print(convert_phone_number("Please call 888-555-1234")) # Please call (888) 555
-1234
8
print(convert_phone_number("123-123-12345")) # 123-123-12345
9 print(convert_phone_number("Phone number of Buckingham Palace is +44 303 123
7300")) # Phone number of Buckingham Palace is +44 303 123 7300

The convertphonenumber function checks for a U.S. phone number format: XXX-XXX-XXXX (3 digits
followed by a dash, 3 more digits followed by a dash, and 4 digits), and converts it to a more formal format
that looks like this: (XXX) XXX-XXXX. Fill in the regular expression to complete this function.
1
2? def convertphonenumber(phone):
import re
3
result = re.sub()
4
return result
5
6
print(convertphonenumber("My number is 212-345-9999.")) # My number is (212)
345-9999.
7 print(convertphonenumber("Please call 888-555-1234")) # Please call (888) 555
-1234
8
print(convertphonenumber("123-123-12345")) # 123-123-12345
9 print(convertphonenumber("Phone number of Buckingham Palace is +44 303 123
7300")) # Phone number of Buckingham Palace is +44 303 123 7300

Added by Patricia W.

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