Python - Consulta diccionario

def menora_78(mydict):

    for mydict.values in mydict.items():

        if mydict.values() <= 77:

            del mydict[]

        return mydict

    print(mydict)

diccionario = {'gary' : 100, 'juan' : 100, 'otro' : 77}

menora_78(diccionario)

## mydict.items() = [('otro', 77), ('juan', 100), ('gary', 100)]

##  mydict.values() = [77, 100, 100]

## mydict.values = <built-in method values of dict object at 0x026B2780>

def menora_78(mydict):

    for key in mydict.keys():

        if mydict[key] <= 77:

            mydict.pop(key)

    return mydict

diccionario = {'gary' : 100, 'juan' : 100, 'otro' : 77}

print menora_78(diccionario)

def menora_78(mydict):

    mydict2=mydict.copy()

    for i in mydict2.keys():

        if mydict2[i]<=77:

            del mydict[i]

    print(mydict)

diccionario = {'gary' : 100, 'juan' : 100, 'otro' : 77}

menora_78(diccionario)

diccionario = {'gary' : 100, 'juan' : 100, 'otro' : 77}

def menor(dic):

    return {clave:valor for clave,valor in dic.items()  if valor >78}

diccionario = menor(diccionario)

print(diccionario)

return {clave:valor for clave,valor in dic.items()  if valor [1]>61}

def menora_78(dic):

    est = []

    for clave,valor in dic.items():

        if valor [0]>77 and valor[1]>77 and valor[2]>77:

            est.append(clave)

    print(est)

diccionario = {'gary' : [100, 99, 89], 'juan' : [100, 100, 98], 'otro' : [77, 60, 68]}

print(menora_78(diccionario))

def menor(dic):

    return {clave:valor for clave,valor in dic.items()  if min(valor) > 77}

diccionario = {'gary' : [100, 99,89], 'juan' : [100, 100, 98], 'otro' : [77, 60, 68]}

diccionario = menor(diccionario)

print(diccionario)