From 0dfb6cd7f6e4d90e4ae81e587293865108a360ac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=A4=8F=E5=86=9B?= <1024307957@qq.com>
Date: Tue, 21 Jul 2020 22:36:00 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AD=A6=E9=99=A2=E4=BB=BB=E5=8A=A1=E6=96=87?=
 =?UTF-8?q?=E4=BB=B6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 student_task.py | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 student_task.py

diff --git a/student_task.py b/student_task.py
new file mode 100644
index 0000000..ae00db0
--- /dev/null
+++ b/student_task.py
@@ -0,0 +1,13 @@
+multi_func = lambda x : x*10
+
+def data_pre_handle(data):
+    # 对输入数据依次执行以下操作，然后作为返回值输出
+    # 1. 映射，使用上面的multi_func函数作为参数
+    # 2. 分组，每3个分为一组，末尾不足一组的砍掉
+    # 3. 重复，将数据重复3次
+    ########## Begin ##########
+    map_res = data.map(operations=multi_func)
+    batch_res = map_res.batch(batch_size=3, drop_remainder=True)
+    repeat_res = batch_res.repeat(3)
+    return repeat_res
+    ########## end ##########
\ No newline at end of file