print '%d is digit' % -1233.3
print '%s is string' % -1235.5
print '%s is string' % '"Python"'
print '%5.2f is digit and %s is string' % (-254.3, '"Python"')

-------------------------------output---------------------
-1233 is digit
-1235.5 is string
"Python" is string
-254.30 is digit and "Python" is string