Is this a error cout<<"π&&π"

Answer 1

We have a feature in Sololearn called "Code Playground" i think there you should try this first and see if you get errors

Answer 2

Whenever you have questions test it out...
Then logically self explain

Answer 3

probably not because its a string

Answer 4

Great Job

Answer 5

Thnkx

Answer 6

yes you should terminate with a semi colon

Answer 7

use semicolon at last