[R] How to print a variable with in double quotes

[sailu Yellaboina]

I want to print a variable with in double quotes.
 For example

x = 10 ;
x  ;    #prints 10
"x" ;  #prints x
\"x\" ; # Error: unexpected input in "\"

I want to the out put as    '10'  or "10"

Thank you
Sailu Yellaboina