<filename>Basic-Python/code/test_package/1.py
from lib.demo import sum

print('100的累加：', sum(100)) # 100的累加： 5050
<filename>Basic-Python/code/test_package/1.py
from lib.demo import sum

print('100的累加：', sum(100)) # 100的累加： 5050
# 100的累加： 5050