3.6
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#Python 3.5
#lhvu
#3.6
#- input: names = "cho meo ga chuot vit ngan"
#- output: ['m', 'e', 'u', 'v', 'i']
names = "cho meo ga chuot vit ngan"
lista = []
for i in list(names):
if names.count(i) == 1:
lista.append(i)
print(lista)
Python
INFO