"Sixteen Going On Seventeen" is a song from the 1959 Rodgers and Hammerstein musical stage show "The Sound of Music" and then later used in the 1965 film featuring Julie Andrews and Christopher Plummer.
Another great beginner tune to play, happy practice :)
^EÂ Â ^D#Â ^E-^FÂ G-GÂ Â AÂ Â Bb-Bb-B
You are sixteen going on seventeen
^C-^CÂ ^DÂ ^D#Â ^EÂ Â Â B
Baby  it's  time  to  think
A-^DÂ Â Â A-^D
Better beware
AÂ Â G-^CÂ Â GÂ Â ^C-G
Be canny and careful
^G-^FÂ Â ^EÂ Â BÂ Â BÂ Â Â Â B
Baby you're on the brink
^EÂ Â ^D#Â ^E-^FÂ Â G-GÂ Â AÂ Â Bb-Bb-B
You are sixteen going on seventeen
^C-^CÂ ^DÂ ^D# ^EÂ B
Fellows will fall in line
A-^DÂ Â Â Â AÂ Â Â ^D
Eager young lads
AÂ Â Â Â Â G - ^CÂ Â Â Â GÂ Â Â ^CÂ Â Â G
And grueways and cads will
^G-^FÂ ^EÂ Â BÂ Â Â BÂ Â Â ^C
Offer you food and wine
^C-B-^CÂ Â ^F-A-BÂ Â Â BÂ Â Â B
Totally unprepared are you
^CÂ ^C# ^CÂ ^C#Â ^CÂ Â A
To face a world of men
^C-BÂ Â ^CÂ Â ^FÂ Â Â AÂ Â Â Â Â BÂ Â Â Â BÂ Â Â B
Timid and shy and scared are you
^CÂ Â ^EÂ Â Â ^E-^GÂ Â Â ^GÂ Â Â B
Of things beyond your kin
^GÂ Â ^F#Â Â ^G-^A
You need someone
B - BÂ Â ^CÂ ^C#-^D
Older and wiser
^E-^EÂ Â ^FÂ Â ^F#Â Â ^GÂ ^G#-^F
Telling you what to do  ~
^E ^D#Â ^E-^E-^FÂ Â G-GÂ Â AÂ Â Â Bb-B
I  am  seventeen  going on eighteen
^C-^AÂ ^CÂ Â B-^G#Â Â BÂ Â ^C
I'll  ~   take  care  of  you!