conditionals code snippets in ruby

check if array is not empty in ruby

find the nth prime number in ruby

find the shortest word in a string in ruby

how to check if a number is in an array? like `5 in [1, 3, 5]`? in ruby

if a file.txt is in the same directory, can i use load to load it into my function that should read the contents to screen? how? in ruby

write a method to return true if the input string equals 'cool' otherwise return false in ruby