我将hello.py放在Users / apple / Documents中，当我尝试将此模块导入IDLE时，输出中出现SyntaxError。
hello.py（文件中的所有内容）：
Python 3.4.3 (v3.4.3:9b73f1c3e601, Feb 23 2015, 02:52:03)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "copyright", "credits" or "license()" for more information.
WARNING: The version of Tcl/Tk (8.5.9) in use may be unstable.
Visit http://www.python.org/download/mac/tcltk/ for current information.
print('helloworld')
我尝试在Python解释器中运行的命令
import sys
sys.path
['', '/Users/apple/Documents', '/Library/Frameworks/Python.framework/Versions/3.4/lib/python34.zip', '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4', '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/plat-darwin', '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/lib-dynload', '/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages']
import hello
Traceback (most recent call last):
File "<pyshell#2>", line 1, in <module>
import hello
File "/Users/apple/Documents/hello.py", line 1
Python 3.4.3 (v3.4.3:9b73f1c3e601, Feb 23 2015, 02:52:03)
^
SyntaxError: invalid syntax
而且我按照书在终端上做：
appletekiMacBook-Pro:~ apple$ python hello.py
python: can't open file 'hello.py': [Errno 2] No such file or directory
appletekiMacBook-Pro:~ apple$ chmod a+x hello.py
chmod: hello.py: No such file or directory
appletekiMacBook-Pro:~ apple$ ./hello.py
-bash: ./hello.py: No such file or directory
您的hello.py文件包含无效的Python语法。错误讯息
File "/Users/apple/Documents/hello.py", line 1
Python 3.4.3 (v3.4.3:9b73f1c3e601, Feb 23 2015, 02:52:03)
^
SyntaxError: invalid syntax
表示文件的第一行包含Python 3.4.3 (v3...etc)无效的Python语法的文本。编辑您的hello.py文件，使其看起来像这样：（添加#到前几行的开头）
# Python 3.4.3 (v3.4.3:9b73f1c3e601, Feb 23 2015, 02:52:03) [GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin Type "copyright", "credits" or "license()" for more information.
# WARNING: The version of Tcl/Tk (8.5.9) in use may be unstable. Visit http://www.python.org/download/mac/tcltk/ for current information.
print('helloworld')
当您尝试从Terminal运行它时，得到“没有这样的文件或目录”的原因是因为您实际上并没有在正确的位置查找它。
appletekiMacBook-Pro:~ apple$在提示中表示您的当前工作目录是您的主目录（/ Users / apple /），但是从错误消息中，hello.py位于Documents /子目录中。如果将命令更改为
appletekiMacBook-Pro:~ apple$ python Documents/hello.py
然后，一旦注释掉前几行，它将运行。
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我来说两句