Simple syntax question.
In maths if I have two number 3 and 2 and I wish to calculate 3 to the power of 2 then no symbol is required but I write the two small. In
Basically sqrt(9) is equivalent to 9^.5
>>>9**.5 3.0
You should do
16**(0.5) #If you print it, you get 4, So you can use this formula.