增加更多主题选择并修复了bug

bin/tests/numberlen.py

@@ -1,16 +1,16 @@
-#!/usr/bin/env python3
-# -- coding:utf-8 --
-# @Author: markushammered@gmail.com
-# @Development Tool: PyCharm
-# @Create Time: 2022/2/3
-# @File Name: numberlen.py
-
-
-number = 1576451745
-
-if len(str(number)) <= 10:
-    zero_count = 10 - len(str(number))
-    final_str = '0' * zero_count + str(number)
-    print(final_str[9])
-else:
+#!/usr/bin/env python3
+# -- coding:utf-8 --
+# @Author: markushammered@gmail.com
+# @Development Tool: PyCharm
+# @Create Time: 2022/2/3
+# @File Name: numberlen.py
+
+
+number = 1576451745
+
+if len(str(number)) <= 10:
+    zero_count = 10 - len(str(number))
+    final_str = '0' * zero_count + str(number)
+    print(final_str[9])
+else:
     print('Too much to count')