[Tutor] Recursion and List Comprehensions

[R. Alan Monroe]

> Unfortunately, I don't understand how list comprehensions work and how to
> implement them.  Can someone point me in the right direction, please.   

 
Compare these two pieces of code


x=[1,2,3,4]
y=[]
for eachnum in x:
    y.append(eachnum * 2)


versus

x=[1,2,3,4]
y = [each * 2 for each in x]



Try them both on your box :^)

Alan