Write the syntax and example of using string characters.

Write the description for the following escape sequence.
(i) \r
(ii) \000
(iii) \v

Write the output of the following statements.
strl = 'mammals'
(i) std. find ('ma')
(ii) std. find ('ma', 2)
(iii) std. find ('ma', 2, 4)
(iv) std. find ('ma', 2, 5)

Write the output for the following statement.
(i) print ("PYTHON" . lower ())
(ii) print ("PYTHON" . islower ())
(iii) print ("PYTHON" . isupper ())
(iv) print ("PYTHON" . upper ())

Write the out put for the following statement.
strl = "Raja Raja Chozhan"
(i) print (strl. count ('Raja'))
(ii) print (strl. count ('R'))
(iii) print (strl. count ('A'))
(iv) print (strl. count ('a'))
(v) print (strl. count ('a', 0, 5))
(vi) print (strl. count ('a', 11))