[po] auto sync bot

zhsj · zhsj · commit 05603843d14b · 2018-08-11T13:27:53.000+08:00
diff --git a/tutorial/datastructures.po b/tutorial/datastructures.po
@@ -372,6 +372,8 @@ msgid ""
 "elements in the sequence.  Note that multiple assignment is really just a "
 "combination of tuple packing and sequence unpacking."
 msgstr ""
+"这被称为 *序列解包*  "
+"也是很恰当的，因为解包操作的等号右侧可以是任何序列。序列解包要求等号左侧的变量数与右侧序列里所含的元素数相同。注意可变参数其实也只是元组打包和序列解包的组合。"
 
 #: ../../tutorial/datastructures.rst:440
 msgid "Sets"
@@ -385,6 +387,8 @@ msgid ""
 "mathematical operations like union, intersection, difference, and symmetric "
 "difference."
 msgstr ""
+"Python也包含有 *集合* 类型。集合是由不重复元素组成的无序的集。它的基本用法包括成员检测和消除重复元素。集合对象也支持像 "
+"联合，交集，差集，对称差分等数学运算。"
 
 #: ../../tutorial/datastructures.rst:447
 msgid ""
