1

chip.py

+import datetime
+
+if __name__ == '__main__':
+    data_str = (datetime.datetime.now() + datetime.timedelta(days=-1)).strftime("%Y%m%d")
+    print(data_str)
\ No newline at end of file

tmp.json

+{
+  "jingdong_promo_activity_create_responce": {
+    "code": "0",
+    "request_id": "dev-1261612.39587.17316417828242537",
+    "returnType": {
+      "result": {
+        "success": true,
+        "errorMessage": "SUCCESS: ",
+        "errorCode": "200",
+        "subErrorCode": "success",
+        "retry": false
+      },
+      "activityId": 63137688142,
+      "success": true,
+      "errorMessage": "SUCCESS: ",
+      "errorCode": "200",
+      "subErrorCode": "success"
+    }
+  }
+}
\ No newline at end of file