有一個defaultdict可以用,只是不好看,哈哈!
cat = {} # 先初始一個dict
for k, v in foo_list:
cat.setdefault(k, []).append(v)ref: collections
cat = {} # 先初始一個dict
for k, v in foo_list:
cat.setdefault(k, []).append(v)exec ssh-agent bash
pip install --use-mirrors $PACKAGE
pip install -i http://d.pypi.python.org/simple $PACKAGE
[global]
index-url = http://d.pypi.python.org/simple