How do I create a line-break in Terminal?

Question

I\'m using Python in Terminal on Mac OSX latest. When I press enter, it processes the code I\'ve entered, and I am unable to figure out how to add an additional line of code e.g

Answer 1

I was always getting those three dots again and again and could not close it . Its actually Line break and works with 2 ENTER. I did it I tried giving two times ENTER key and it worked .

>>> primenumlist = [2,3,5,7,11,13,17,19,23,29]
>>> for i in primenumlist:
...  print (i)
...
2
3
5
7
11
13
17
19
23
29
>>>