How to iterate over a string when there is successive increase in its length

Question

I have a string called mystring = "apple". Now I want the output to be a,ap,app,appl,apple. How to do it in Python?

Answer 1

The following code might help - 

mystring = "apple"

for i in range(1, len(mystring)+1):
    print(mystring[:i])

The output will be 

a
ap
app
appl
apple