小编Pok*_*u48的帖子

假设我有一本字典：

d = {3: 'three', 2: 'two', 1: 'one'}

我想重新排列此字典的顺序，以便该字典为：

d = {1: 'one', 2: 'two', 3: 'three'}

我在想类似reverse()列表功能的东西，但是没有用。预先感谢您的回答！

我正在尝试使用Kivy虚拟机上的Buildozer将简单的Python程序构建为APK。每次跑步buildozer android debug，都会出现以下错误

pid 2134:
Traceback (most recent call last):
  File "/usr/lib/python2.7/threading.py", line 801, in __bootstrap_inner
    self.run()
  File "/usr/lib/python2.7/threading.py", line 754, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/usr/local/lib/python2.7/dist-packages/sh.py", line 1540, in wrap
    fn(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/sh.py", line 2459, in    background_thread
    handle_exit_code(exit_code)
  File "/usr/local/lib/python2.7/dist-packages/sh.py", line 2157, in fn
    return self.command.handle_command_exit_code(exit_code)
  File "/usr/local/lib/python2.7/dist-packages/sh.py", line 815, in     handle_command_exit_code
raise exc
ErrorReturnCode_127: 

  RAN: /home/kivy/Desktop/Projects/Kivy_Test/.buildozer/android/platform        /build/build/other_builds/libffi/armeabi-v7a__ndk_target_21/libffi/autogen.sh

  STDOUT:
/home/kivy/Desktop/Projects/Kivy_Test/.buildozer/android/platform/build    /build/other_builds/libffi/armeabi-v7a__ndk_target_21/libffi/autogen.sh: 2:     exec: autoreconf: not found


  STDERR:


Traceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 174, …