<body>
def ElScambiator(a):
lista=[]
for i in range(len(a)):
lista.append("")
if len(a)%2!=0:
lista[len(a) - 1] = a[len(a) - 1]
for i in range(len(a)-len(a)%2):
lista[i+(-1)**i]=a[i]
return lista
kek=["ciao","come stai","sono Alfredo","mangio la pasta"]
print(ElScambiator(kek))
<body/>
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