python script to give a list of prime no.

[Sathvik Babu Veligatla]

On Sunday, April 5, 2020 at 6:04:20 PM UTC+5:30, Orges Leka wrote:
> You can try the following:
> It is based on trial division and very slow, compared to the state of the
> art:
> 
> import math
> def is_prime(n):
>     if int(math.sqrt(n))**2 == n:
>         return(False)
>     for i in range(2,int(math.ceil(math.sqrt(n)))):
>         if n%i==0:
>             return(False)
>     return(True)
> 
> then:
> 
> primes = [x for x in range(1,1000) if is_prime(x)]
> 
> print(primes)
> 
> Kind regards,
> Orges
> 
> Am So., 5. Apr. 2020 um 14:27 Uhr schrieb Sathvik Babu Veligatla <
> sathvikveligatla at gmail.com>:
> 
> > hi,
> > I am new to python, and i am trying to output the prime numbers beginning
> > from 3 and i cannot get the required output.
> > It stops after giving the output "7" and that's it.
> >
> > CODE:
> > a = 3
> > l = []
> > while True:
> >     for i in range(2,a):
> >         if a%i == 0:
> >             l.append(1)
> >         else:
> >             l.append(0)
> >
> >     if l.count(1) == 0:
> >         print(a)
> >         a = a + 2
> >     elif l.count(1) >> 0:
> >         a = a + 2
> >
> >
> >
> > Any help is appreciated,
> > Thank you.
> > --
> > https://mail.python.org/mailman/listinfo/python-list
> >
> 
> 
> -- 
> Mit freundlichen Grüßen
> Herr Dipl. Math. Orges Leka
> 
> Mobil: 015751078391
> Email: orges.leka at googlemail.com
> Holzheimerstraße 25
> 65549 Limburg

umm, first of all, thank you for the quick response.
But, I am basically trying to get the output using the simplest means possible(beginner's trial :-)). So can you try to run it tell me, why it isn't working?
thank you.