To change the keyboard layout on a Raspberry Pi, do the following:
Sometimes when you pressed a wrong keyboard combination, it is possible that your keyboard layout changed from azerty to qwerty or from qwerty to azerty. Mostly you don’t know how you changed it and how you change it back to your original layout. To do so, press alt + shift and you changed back your keyboard layout. Enjoy!
Each country has its own phone number format. But what if you want a universal layout for all types of phone numbers? You can use Libphonenumber. With Libphonenumber, you can change phone layouts, create your own layouts, cast layouts and many more!