Traceback (most recent call last): File "C:\Users\Administrator\anaconda3\envs\pythonProject1\lib\code.py", line 63, in runsource code = self.compile(source, filename, symbol) File "C:\Users\Administrator\anaconda3\envs\pythonProject1\lib\codeop.py", line 178, in __call__ return _maybe_compile(self.compiler, source, filename, symbol) File "C:\Users\Administrator\anaconda3\envs\pythonProject1\lib\codeop.py", line 106, in _maybe_compile raise err1 File "C:\Users\Administrator\anaconda3\envs\pythonProject1\lib\codeop.py", line 93, in _maybe_compile code1 = compiler(source + "\n", filename, symbol) File "C:\Users\Administrator\anaconda3\envs\pythonProject1\lib\codeop.py", line 143, in __call__ codeob = compile(source, filename, symbol, self.flags, True) File "<input>", line 1 pip install program ^ SyntaxError: invalid syntax

这个错误提示是因为你在 Python REPL 中输入了一个命令行指令，而不是 Python 代码。如果你想在命令行中安装 Python 包，应该打开终端或命令提示符窗口，并在那里输入该指令。在 Python REPL 中安装包可以使用以下代码：

import subprocess
subprocess.run('pip install package_name', shell=True)

请确保将 `package_name` 替换为你要安装的包名。