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Python IDLE无法import库的解决方法(ModuleNotFound)

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解决 Python 库在 IDLE 无法正常 import 的问题(ModuleNotFound) 在 Python 中,import 语句是用于引入外部库的关键字,但是在某些情况下,可能会出现无法正常引入库的问题,例如在 IDLE 中无法 import 库。这种情况的出现可能是由于 Python 版本不一致所致。 在解决这个问题之前,我们首先需要了解 Python 的版本问题。在 Python 中,有多种版本,每种版本都有其特定的库和功能。例如,Python 3.8.0 和 Python 3.8.1 是两个不同的版本,它们之间可能存在兼容性问题。 在解决问题之前,我们需要检查 Python 的版本,可以使用 `python --version` 命令来检查当前的 Python 版本。如果发现版本不一致,可以卸载旧版本的 Python,然后安装新的版本。 在安装新的 Python 版本后,需要使用 pip 命令来重新下载并安装所需的库。例如,使用 `pip install requests` 命令来安装 requests 库。 在安装完成后,可以打开 IDLE 并输入 `import requests` 语句来检查库是否正常导入。如果库能够正常导入,则证明问题已经解决。 在解决这个问题的过程中,我们需要了解 Python 的版本问题和库的安装问题。同时,我们也需要了解 IDLE 和 cmd 命令行之间的区别。在 IDLE 中,可能无法正常导入库,而在 cmd 命令行中可以正常导入库。这是因为 IDLE 和 cmd 命令行使用不同的 Python 版本所致。 解决 Python 库在 IDLE 无法正常 import 的问题需要检查 Python 的版本,卸载旧版本的 Python,安装新的版本,然后使用 pip 命令来重新下载并安装所需的库。最后,可以打开 IDLE 并输入 `import` 语句来检查库是否正常导入。

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PS C:\Users\zhuxinyu> & C:/Users/zhuxinyu/AppData/Local/Programs/Python/Python312/python.exe c:/Users/zhuxinyu/Desktop/数模代码/投资(线性规划).py Traceback (most recent call last): File "c:\Users\zhuxinyu\Desktop\数模代码\投资(线性规划).py", line 31, in <module> res=linprog(c,A,b,Aeq,beq,bounds=[(0,None),(0,None),(0,None),(0,None)]) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\scipy\optimize\_linprog.py", line 649, in linprog lp, solver_options = _parse_linprog(lp, options, meth) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\scipy\optimize\_linprog_util.py", line 1026, in _parse_linprog lp = _clean_inputs(lp._replace(A_ub=A_ub, A_eq=A_eq)) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\scipy\optimize\_linprog_util.py", line 462, in _clean_inputs raise ValueError( ValueError: Invalid input for linprog: unable to interpret bounds with this dimension tuple: (4, 2). PS C:\Users\zhuxinyu> & C:/Users/zhuxinyu/AppData/Local/Programs/Python/Python312/python.exe c:/Users/zhuxinyu/Desktop/数模代码/投资(线性规划).py Traceback (most recent call last): File "c:\Users\zhuxinyu\Desktop\数模代码\投资(线性规划).py", line 34, in <module> res=linprog(c,A,b,Aeq,beq,bounds=bounds) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\scipy\optimize\_linprog.py", line 649, in linprog lp, solver_options = _parse_linprog(lp, options, meth) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\scipy\optimize\_linprog_util.py", line 1026, in _parse_linprog lp = _clean_inputs(lp._replace(A_ub=A_ub, A_eq=A_eq)) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\scipy\optimize\_linprog_util.py", line 462, in _clean_inputs raise ValueError( ValueError: Invalid input for linprog: unable to interpret bounds with this dimension tuple: (4, 2). PS C:\Users\zhuxinyu> & C:/Users/zhuxinyu/AppData/Local/Programs/Python/Python312/python.exe c:/Users/zhuxinyu/Desktop/数模代码/投资(线性规划).py Traceback (most recent call last): File "c:\Users\zhuxinyu\Desktop\数模代码\投资(线性规划).py", line 37, in <module> res=linprog(c,A,b,Aeq,beq,bounds=bounds) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\scipy\optimize\_linprog.py", line 649, in linprog lp, solver_options = _parse_linprog(lp, options, meth) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\scipy\optimize\_linprog_util.py", line 1026, in _parse_linprog lp = _clean_inputs(lp._replace(A_ub=A_ub, A_eq=A_eq)) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\scipy\optimize\_linprog_util.py", line 462, in _clean_inputs raise ValueError( ValueError: Invalid input for linprog: unable to interpret bounds with this dimension tuple: (4, 2). PS C:\Users\zhuxinyu> & C:/Users/zhuxinyu/AppData/Local/Programs/Python/Python312/python.exe c:/Users/zhuxinyu/Desktop/数模代码/投资(线性规划).py Exception in Tkinter callback Traceback (most recent call last): File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\texmanager.py", line 250, in _run_checked_subprocess report = subprocess.check_output( ^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\subprocess.py", line 466, in check_output return run(*popenargs, stdout=PIPE, timeout=timeout, check=True, ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\subprocess.py", line 548, in run with Popen(*popenargs, **kwargs) as process: ^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\subprocess.py", line 1026, in __init__ self._execute_child(args, executable, preexec_fn, close_fds, File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\subprocess.py", line 1538, in _execute_child hp, ht, pid, tid = _winapi.CreateProcess(executable, args, ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ FileNotFoundError: [WinError 2] 系统找不到指定的文件。 The above exception was the direct cause of the following exception: Traceback (most recent call last): File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\tkinter\__init__.py", line 1968, in __call__ return self.func(*args) ^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\tkinter\__init__.py", line 862, in callit func(*args) File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\backends\_backend_tk.py", line 274, in idle_draw self.draw() File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\backends\backend_tkagg.py", line 10, in draw super().draw() File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\backends\backend_agg.py", line 382, in draw self.figure.draw(self.renderer) File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\artist.py", line 94, in draw_wrapper result = draw(artist, renderer, *args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\artist.py", line 71, in draw_wrapper return draw(artist, renderer) ^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\figure.py", line 3257, in draw mimage._draw_list_compositing_images( File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\image.py", line 134, in _draw_list_compositing_images a.draw(renderer) File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\artist.py", line 71, in draw_wrapper return draw(artist, renderer) ^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\axes\_base.py", line 3216, in draw mimage._draw_list_compositing_images( File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\image.py", line 134, in _draw_list_compositing_images a.draw(renderer) File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\artist.py", line 71, in draw_wrapper return draw(artist, renderer) ^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\axis.py", line 1405, in draw tlb1, tlb2 = self._get_ticklabel_bboxes(ticks_to_draw, renderer) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\axis.py", line 1332, in _get_ticklabel_bboxes return ([tick.label1.get_window_extent(renderer) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\text.py", line 969, in get_window_extent bbox, info, descent = self._get_layout(self._renderer) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\text.py", line 373, in _get_layout _, lp_h, lp_d = _get_text_metrics_with_cache( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\text.py", line 69, in _get_text_metrics_with_cache return _get_text_metrics_with_cache_impl( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\text.py", line 77, in _get_text_metrics_with_cache_impl return renderer_ref().get_text_width_height_descent(text, fontprop, ismath) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\backends\backend_agg.py", line 211, in get_text_width_height_descent return super().get_text_width_height_descent(s, prop, ismath) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\backend_bases.py", line 566, in get_text_width_height_descent return self.get_texmanager().get_text_width_height_descent( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\texmanager.py", line 363, in get_text_width_height_descent dvifile = cls.make_dvi(tex, fontsize) ^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\texmanager.py", line 295, in make_dvi cls._run_checked_subprocess( File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\texmanager.py", line 254, in _run_checked_subprocess raise RuntimeError( RuntimeError: Failed to process string with tex because latex could not be found Exception in Tkinter callback Traceback (most recent call last): File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\texmanager.py", line 250, in _run_checked_subprocess report = subprocess.check_output( ^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\subprocess.py", line 466, in check_output return run(*popenargs, stdout=PIPE, timeout=timeout, check=True, ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\subprocess.py", line 548, in run with Popen(*popenargs, **kwargs) as process: ^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\subprocess.py", line 1026, in __init__ self._execute_child(args, executable, preexec_fn, close_fds, File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\subprocess.py", line 1538, in _execute_child hp, ht, pid, tid = _winapi.CreateProcess(executable, args, ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ FileNotFoundError: [WinError 2] 系统找不到指定的文件。 The above exception was the direct cause of the following exception: Traceback (most recent call last): File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\tkinter\__init__.py", line 1968, in __call__ return self.func(*args) ^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\tkinter\__init__.py", line 862, in callit func(*args) File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\backends\_backend_tk.py", line 274, in idle_draw self.draw() File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\backends\backend_tkagg.py", line 10, in draw super().draw() File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\backends\backend_agg.py", line 382, in draw self.figure.draw(self.renderer) File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\artist.py", line 94, in draw_wrapper result = draw(artist, renderer, *args, **kwargs) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\artist.py", line 71, in draw_wrapper return draw(artist, renderer) ^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\figure.py", line 3257, in draw mimage._draw_list_compositing_images( File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\image.py", line 134, in _draw_list_compositing_images a.draw(renderer) File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\artist.py", line 71, in draw_wrapper return draw(artist, renderer) ^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\axes\_base.py", line 3216, in draw mimage._draw_list_compositing_images( File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\image.py", line 134, in _draw_list_compositing_images a.draw(renderer) File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\artist.py", line 71, in draw_wrapper return draw(artist, renderer) ^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\axis.py", line 1405, in draw tlb1, tlb2 = self._get_ticklabel_bboxes(ticks_to_draw, renderer) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\axis.py", line 1332, in _get_ticklabel_bboxes return ([tick.label1.get_window_extent(renderer) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\text.py", line 969, in get_window_extent bbox, info, descent = self._get_layout(self._renderer) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\text.py", line 373, in _get_layout _, lp_h, lp_d = _get_text_metrics_with_cache( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\text.py", line 69, in _get_text_metrics_with_cache return _get_text_metrics_with_cache_impl( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\text.py", line 77, in _get_text_metrics_with_cache_impl return renderer_ref().get_text_width_height_descent(text, fontprop, ismath) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\backends\backend_agg.py", line 211, in get_text_width_height_descent return super().get_text_width_height_descent(s, prop, ismath) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\backend_bases.py", line 566, in get_text_width_height_descent return self.get_texmanager().get_text_width_height_descent( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\texmanager.py", line 363, in get_text_width_height_descent dvifile = cls.make_dvi(tex, fontsize) ^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\texmanager.py", line 295, in make_dvi cls._run_checked_subprocess( File "C:\Users\zhuxinyu\AppData\Local\Programs\Python\Python312\Lib\site-packages\matplotlib\texmanager.py", line 254, in _run_checked_subprocess raise RuntimeError( RuntimeError: Failed to process string with tex because latex could not be found PS C:\Users\zhuxinyu>

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Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple Could not fetch URL https://pypi.tuna.tsinghua.edu.cn/simple/numpy/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.tuna.tsinghua.edu.cn', port=443): Max retries exceeded with url: /simple/numpy/ (Caused by SSLError("Can't connect to HTTPS URL because the SSL module is not available.")) - skipping Could not fetch URL https://pypi.tuna.tsinghua.edu.cn/simple/pip/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.tuna.tsinghua.edu.cn', port=443): Max retries exceeded with url: /simple/pip/ (Caused by SSLError("Can't connect to HTTPS URL because the SSL module is not available.")) - skipping WARNING: pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available. WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/numpy/ WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/numpy/ WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/numpy/ WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/numpy/ WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError("Can't connect to HTTPS URL because the SSL module is not available.")': /simple/numpy/ ERROR: Could not find a version that satisfies the requirement numpy (from versions: none) WARNING: pip is configured with locations that require TLS/SSL, however the ssl module in Python is not available. ERROR: No matching distribution found for numpy

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