Provided with inputs year, month, day e.g. 2019,11,12, calculate the number of days until the next Christmas day, i.e. the next time it will be December 25
Return the first and last character of a string
Generate a random matrix A of (1,-1)
Integer Sequence - II : New Fibonacci
generate number in particular way
Check if number is a square number
Convert Fahrenheit to Kelvin
Check if a number belongs in the fibonacci squence
Calculate the area of a circle
Check if integer is a prime number
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