The title and description of this problem have been cleaned up. Also, its test suite has been expanded and improved.
Back to basics 14 - Keywords
Try 1.5.4: Celsius to Fahrenheit
Find and replaces spaces from a input string with *
Rounding off numbers to n decimals
Convert array of decimal numbers into binary numbers array.
Find cosine between two given vectors u and v.
Sum positive elements of matrix.
Find hen's weight.
Solve expression I
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