nvts = {"high": [], "medium": [], "low": [], "log": []}
for a, *b in nvts:
print(a, ' '.join(map(str, b)))
h i g h
m e di u m ...
nvts = {"high": [],
"medium": ["value1"],
"low": ["value 2","value 3"],
"log": ["more value", "even more value"]}
print("n".join([item for sublist in nvts.values() for item in sublist]))
输出:
value1
value 2
value 3
more value
even more value
如果只想打印key:
print("n".join(nvts.keys()))
输出
high
medium
low
log
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