Complete Task 3: extract_letters()
1) Complete the extract_letters() function.
Mark Breakdown
2) 2 additional doctests are created
a) Doctest output is accurate (0.5 marks x 2 = 1 mark)
b) Doctest passes (0.5 marks x 2 = 1 mark)
3) Does function pass all assignment doctests provided? (0.5
marks x 4 = 2 marks)
- Complete Task 3 Extract Letters 1 Complete The Extract Letters Function Mark Breakdown 2 2 Additional Doctests A 1 (57.82 KiB) Viewed 28 times
Edef extract_letters (text): 54 55 56 57 Extract all the unique letters present in the text string. param text: string data :return: a tuple of all the unique letters of the string in lowercase 58 59 60 61 62 63 >>> extract_letters("Python 123 is COO!_") ('p', 'y', 't', 'h', 'o', 'n', 'i', 's', 'c') >>> extract_letters ("Numbers Are Overrated!") ('n', 'u', 'm', 'b', 'e', 's', 's', 'a', 'o', 'v', 't', 'd') >>> extract_letters("123 456") 0 >>> extract_letters("/3 E N!C3") ('e', 'n', 'c') 64 65 Add 2 more Doctests 888%n%乃 66 67 68 69 70 71 72 73 pass # code goes here. Replace 'pass' with your own python code