Here are 2 images of both the left and right side of the keyboard. Save these images on your phone, turn your phone (rotate screen) and practice your finger placement. Do this for 1 hand at a time.
The images have been coloured to show you which finger belongs to which keys.
Coloured Left (Beginners)
Left Side (Advanced Practice)
Coloured Right (Beginners)
Right Side (Advanced Practice)