Suppose we enter

Question

i=2
while i <=5
print (i)
i+=2....whats the output

Answer 1

If you enter
i=2
while i <=5:
print (i)
i+=2
in Python the output is:
2
4

Answer 2

As you haven't used brackets .... In case of java, c it will be an infinite loop as i will not be incremented.
A suggestion: while asking question specify the language you are using.

Answer 3

Yeah sry ...its in python