Need to know existing code for COPY module in ansible

Could you please help me ? How can i view code written for existing copy module in ansible.

Need to know the location in my installation. Want review the code written for copy .

Please can get help on this

location : ? in my instllation

file name ?

run `ansible-doc copy|head -n 1 ` , it should show you the location of
the module file

Also note that copy has 2 parts, the other is the action plugin.