Please what app can I use for Python coding on my phone

Answer 1

You can use Sololearn :-)
You can create, testing and save your codes, in python too.

Answer 2

You can use Pydroid3, is it very good app for coding in python, you can find it on play store. :)

Answer 3

It'z Mhiz'ta Shadrax
You can use "Pydroid 3"
It is simple to use
It works with many libraries (without purchasing premium version)
It works free also with ads.
It works offline too.
You can save and open your programs also.
You can also see the program's flow of running

You can get it from Google Play Store or by clicking on the below link-
https://play.google.com/store/apps/details?id=ru.iiec.pydroid3

NOTE- I am not sure about that it is available for iOS or not,but it is available for Android.