Другое решение:
d = {
'A' : {
'C' : {
'D' : {
'E' : 4,
},
'F' : 5,
},
},
'B' : 2,
}
def DeepDictDel(path, dict):
for key in path.split('.'):
owner = dict
dict = dict[key]
del owner[key]
print d # prints {'A': {'C': {'D': {'E': 4}, 'F': 5}}, 'B': 2}
DeepDictDel('A.C.D', d)
print d # prints {'A': {'C': {'F': 5}}, 'B': 2}