From d6468d40d6b278f677f9dcb7e89f927aa8ffefab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=99=9E=E5=A7=AC?= <1252984281@qq.com>
Date: Sun, 28 Mar 2021 11:13:15 +0800
Subject: [PATCH 1/2] =?UTF-8?q?=E6=96=B0=E5=BB=BA=201=E7=8F=AD=5F7-?=
 =?UTF-8?q?=E7=AC=AC=E5=9B=9B=E5=91=A8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../1\347\217\255_7-\347\254\254\345\233\233\345\221\250/.keep"   | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 create mode 100644 "\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/1\347\217\255/1\347\217\255_7/1\347\217\255_7-\347\254\254\345\233\233\345\221\250/.keep"

diff --git "a/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/1\347\217\255/1\347\217\255_7/1\347\217\255_7-\347\254\254\345\233\233\345\221\250/.keep" "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/1\347\217\255/1\347\217\255_7/1\347\217\255_7-\347\254\254\345\233\233\345\221\250/.keep"
new file mode 100644
index 00000000..e69de29b
-- 
Gitee


From 97d85892417ff866e34a1c0c95242216abfbddb4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=99=9E=E5=A7=AC?= <1252984281@qq.com>
Date: Sun, 28 Mar 2021 11:14:29 +0800
Subject: [PATCH 2/2] =?UTF-8?q?=E7=AC=AC=E5=9B=9B=E5=91=A8-=E7=AC=AC?=
 =?UTF-8?q?=E4=B8=80=E8=8A=82=E8=AF=BE=E4=BD=9C=E4=B8=9A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../lesson4-1.py"                             | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 "\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/1\347\217\255/1\347\217\255_7/1\347\217\255_7-\347\254\254\345\233\233\345\221\250/lesson4-1.py"

diff --git "a/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/1\347\217\255/1\347\217\255_7/1\347\217\255_7-\347\254\254\345\233\233\345\221\250/lesson4-1.py" "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/1\347\217\255/1\347\217\255_7/1\347\217\255_7-\347\254\254\345\233\233\345\221\250/lesson4-1.py"
new file mode 100644
index 00000000..d9b5f57e
--- /dev/null
+++ "b/\347\254\254\344\272\214\346\234\237\350\256\255\347\273\203\350\220\245/1\347\217\255/1\347\217\255_7/1\347\217\255_7-\347\254\254\345\233\233\345\221\250/lesson4-1.py"
@@ -0,0 +1,33 @@
+
+#  datetime、str、time 之间的转换
+#
+import datetime
+now = datetime.datetime.now()
+
+time_str = now.strftime("%Y-%m-%d %H:%M:%S")
+str_time = datetime.datetime.strptime(time_str,"%Y-%m-%d %H:%M:%S")
+
+time_smp = now.timestamp()
+smp_time = datetime.datetime.fromtimestamp(time_smp)
+
+
+
+# 封装一个函数get_date(day_delta), 如果传入的是-1 , 输出就是字符串日期
+import datetime
+def get_date(day_delta):
+    now = datetime.datetime.now()
+    day_delta = int(input('请输入代表数字：（当前日期请输入【-1】）'))
+    if day_delta == '-1':
+        day_delta = now + datetime.timedelta(days=-1)
+        day_delta
+    return print('请重新输入：')
+
+get_date(day_delta=-1)
+
+
+
+
+
+
+
+
-- 
Gitee