题解 | 查字典
查字典
https://www.nowcoder.com/practice/ee9c1157f07440f68c86e54a2613a927
import sys
letter_dict = {
"a": ["apple", "abandon", "ant"],
"b": ["banana", "bee", "become"],
"c": ["cat", "come"],
"d": "down",
# "d": ["down"],
}
value = letter_dict[input()]
if isinstance(value, str):
value = [value]
for i in value:
print(i, end=' ')
要么规格化字典，要么在输出前做校验
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