PHP
echo "a\tb";
echo 'a\tb';
// a b
// a\tb
Python
print( "a\tb" )
print( 'a\tb' )
# a b
# a b
print( repr('a\tb') )
print( repr('a\tb')[1:-1] )
# 'a\tb'
# a\tb
echo "a\tb";
echo 'a\tb';
// a b
// a\tb
print( "a\tb" )
print( 'a\tb' )
# a b
# a b
print( repr('a\tb') )
print( repr('a\tb')[1:-1] )
# 'a\tb'
# a\tb