Generate a random float below a value

rand

[max (number_or_range)]

Given a max number, produces a float between 0 and the supplied max value. If max is a range, produces a float within the range. With no args or max as 0, returns a random value between 0 and 1.

Introduced in v2.0

Example 0 

print rand(0.5)



#=> will print a number like 0.397730007820797 to the output pane