def probar(intento, caso_de_prueba, mail):
def diff(prueba, mail, orig, new, name, origname='alumno', newname='catedra', longname=None):
from difflib import unified_diff, HtmlDiff
def probar(intento, caso_de_prueba, mail):
def diff(prueba, mail, orig, new, name, origname='alumno', newname='catedra', longname=None):
from difflib import unified_diff, HtmlDiff