Swift or Java
iOS apps or Android Apps
It depends on what ecosystem you want to build apps for. Swift for iOS and java/kotlin for android. By the way, google just chose kotlin as their language of choice to build their apps from now on. However, learning java is still useful since many apps still use it.
Python — File Handling
Help me solve this (using loop)
What is wrong? Error on test.
Help me wiht python
Question is write a c program to print prime numbers up to n and print the largest number in array.