Sourav: The function name and input parameter are incorrect in the test suite.
I cleaned up the calling syntax in the test.
you don't specify what to do when there's an odd number of letters
Venu: There is nothing to do with the name & parameter names. Many have submitted the correct solution!
@bmtran: u have to be intelligent enough to handle both the even & odd cases!! That's the challenge!
Sourav: Not any more by the time you made your comment, because Ned Gulley fixed the calling syntax in the test suite - see comment 2.
Remove all the consonants
Read a column of numbers and interpolate missing data
Replace NaNs with the number that appears to its left in the row.
Prime factor digits
Energy of a photon
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