''' Purpose: continue string manipulation introduction
'''

print()

a = 'petrichor'
b = 'a  b'
c = 'a\tb'
d = 'aren\'t'

print ( "a = 'petrichor'" )
print ( "b = 'a  b'" )
print ( "c = 'a\\tb'" )
print ( "d = 'aren\\\'t'" )

print()

print( 'a:', '\'' + a + '\'' )
print( 'b:', '\'' + b + '\'' )
print( 'c:', '\'' + c + '\'' )
print( 'd:', '\'' + d + '\'' )

print()

na = len( a )
nb = len( b )
nc = len( c )
nd = len( d )

print( 'len( a ):', na )
print( 'len( b ):', nb )
print( 'len( c ):', nc )
print( 'len( d ):', nd )