题解 | #字典新增#

letter=input()
word=input()
dict1={'a': ['apple', 'abandon', 'ant'], 'b': ['banana', 'bee', 'become'], 'c': ['cat', 'come'], 'd': 'down'}

dict1.fromkeys(letter)  #新增一个key
dict1[letter]=word
print(dict1)