Python-3.4.3 - what are the usage of 'r' in following line?

saving . . . saved what are the usage of 'r' in following line? has been deleted. what are the usage of 'r' in following line? has been hidden .

what are the usage of 'r' in following line?

legend([r'$y=4(x^2)$' , r'$y=2x+3$'])

r denotes that it is a raw string

02-05-20, 1:02 p.m. JapjeetKaur

thanks

02-05-20, 4:57 p.m. ashu11096

Here the usage of 'r' is raw string .Python raw string treats backslash (\) as a literal character.

By DEVAKI C IRTT clg Erode.

19-01-22, 12:05 p.m. devakiexplorer22@gmail.com

Here the usage of 'r' is raw string .Python raw string treats backslash (\) as a literal character.

By SHIVA VISHNU T IRTT clg Erode.

19-01-22, 2:18 p.m. shivavishnu43@gmail.com

Here the usage of 'r' is raw string .Python raw string treats backslash (\) as a literal character.

By SIVANESAN.S IRTT clg Erode.

19-01-22, 2:47 p.m. sivanesansrinivasan5@gmail.com