[Tutor] Hello

[Bernard Kofi Agboado]

This is great, thank you so much!

On Thu, Apr 20, 2023 at 7:50 AM <mhysnm1964 at gmail.com> wrote:

> Bernard
>
> Loops are used to execute a piece of code based upon specific conditions
> (expressions) in the loop statement or within the code block itself. There
> is three basic loop structures in any language:
>
> The for loop -- this example is pythons way of a pre-defined number of
> iterations over (executions) of a piece of code:
>
> for i in range(1, 11):
>     print(i)
>
> The above code will print 1 to 10. Then exit. Instead of doing:
>
> I = 0
> I += 1
> Print (i)
>
> I += 1
> Print (i)
> I += 1
> Print (i)
> ... and so on.
>
> The for loop in Python allows you to execute codes based upon a list and
> other data types. For example:
>
> A = [1,2,3,4,5]
> For I in a:
>     Print (i)
>
> The above will print each element of A.
>
> The while loop is the 2nd basic loop. This loop performs the expression
> test
> before any of the code within the loop block. If true, then nothing is
> executed in the loop block. For example:
>
> A = 5
> While a >4:
>     A -= 1
>     Print (a)
>
> The expression "a > 4" is true because a is greater than 4. The count and
> print statements are not executed. Change the a variable and the expression
> to get different results.
>
> The do ... while loop does the reverse to the while loop. The test of the
> expression is at the end. A better question would be, what are common loops
> used in python?
>
> My limited experience is the while and for loops.
>
> Sean
>
> -----Original Message-----
> From: Tutor <tutor-bounces+mhysnm1964=gmail.com at python.org> On Behalf Of
> ThreeBlindQuarks via Tutor
> Sent: Thursday, April 20, 2023 2:14 AM
> To: Bernard Kofi Agboado <luk4bernard at gmail.com>
> Cc: tutor at python.org
> Subject: Re: [Tutor] Hello
>
>
> Bernard, that is an extremely broad question.
>
> My first thought was that in America we eat our loops with fruit but that
> is
> not very helpful.
>
> Could you post a few lines of code that contain an example of loops and
> tell
> us what you do not understand or how to modify it so it does not produce
> error messages or wrong results?
>
> Python has lots of constructs that I would call loops. All of them share a
> concept of repeating the same code some number of times with some things
> changing as you move along.
>
> Are you looking at explicit loops where you see key words like "for" and
> "while" with indented code below or some more subtle ones including
> comprehensions or generators or the kind where the loop is done invisibly?
>
> Again, send an example or two and say what about it does not make sense.
> But
> the people here are not tutors in the sense of teaching very basic things
> that a student should be getting by reading a textbook and listening to
> lectures. We would appreciate a more focused question so we can provide
> more
> focused help.
>
>
>
> Sent with Proton Mail secure email.
>
> ------- Original Message -------
> On Wednesday, April 19th, 2023 at 3:30 AM, Bernard Kofi Agboado
> <luk4bernard at gmail.com> wrote:
>
>
> > Good morning, please how best can I understand the loops.?
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