2
2
.
.
4
4
.
.
4
4
R
R
u
u
n
n
t
t
i
i
l
l
l
l
L
L
i
i
n
n
e
e
I
I
n
n
f
f
o
o
[
[
R
R
]
]
Clicking on the line executes the code only until that line (blue play marker appears).
Then you can click on some of the next line and code will execute from the current line till selected line.
This way you can go through code in chunks.
Run till line
Then execute next 4 lines
