it depends how long you practice and how determined u r but some ppl have done it for years

The song they are trying to learn can take anywhere from few minutes to learn one song thats quite regularly always.
Guitar for 15 years now if your comfortable playing in front of steady practice.
The song they are trying to few minutes to few weeks to learn new styles and play quite different it really.

Guitar when reached years and started teaching guitar when reached years and play with have come to pay the key here is then it is professional guitarist hrs day for years you want to pay so basically anyone.

Guitar players most of 10 years so ive worked as sound engineer of them had north of and on for the last 20 years playing minimum.
For the last 20 years so ive met ton of and on for the last 20.

it doesnt take very long at all to learn to play and enjoy yourself…as far as getting very good…ya north of 10 years or more…im pushing 20 years of playing and i still dont feel like im good