列表小练习

li=[11,22,33,44,55,77,88,99,90]
result={}
for row in li:
    if row > 66:
        if 'key1' not in result:
            result['key1']=[]
        result['key1'].append(row)
    else:
        if 'key2' not in result:
         result['key2'].append(row)
            result['key2']=[]
print(result)

li=[11,22,33,44,55,77,88,99,90]
result={}
for row in li:
    result.setdefault('key1',[])
    result.setdefault('key2', [])
    if row >66:
        result['key1'].append(row)
    else:
        result['key2'].append(row)
print(result)