Python Commandline
satya - 12/29/2021, 1:48:51 PM
When installed, the following are on the path
c:\satya\i\python374C:\satya\i\python374\Scriptssatya - 12/29/2021, 1:50:42 PM
The python shell, or command line is documented here
satya - 12/29/2021, 1:51:53 PM
The URL above is release specific
The link above is 3.7
Now it is at 3.11, fyi
satya - 12/29/2021, 1:53:42 PM
Invoking the interpreter
C:\>python
Python 3.7.4
Type "help", "copyright", "credits" or "license" for more information.
>>>
satya - 12/29/2021, 1:55:15 PM
Asking for help
>>>help()
Notice the brackets ()
Because help() is a global function.
satya - 12/29/2021, 1:58:32 PM
Exiting the interpreter
>>>quit()
Or ctrl-z
satya - 12/29/2021, 2:00:42 PM
Using sub-commands off of help()
>>> help()
will prompt with
help>
To see topics type
help>topics
One of the topics is TYPES
so to get help on "TYPES"
help> TYPES
Notice that "TYPES" is case sensitive
satya - 12/29/2021, 2:02:49 PM
How to get out of More.... prompt
Use "q" or "quit" to come out of More...
satya - 12/29/2021, 2:04:17 PM
Example for help on types
help> types
Help on module types:
NAME
types - Define names for built-in types
that aren't directly accessible as a builtin.
CLASSES
builtins.object
builtins.async_generator
builtins.builtin_function_or_method
builtins.classmethod_descriptor
builtins.code
builtins.coroutine
builtins.frame
builtins.function
builtins.generator
builtins.getset_descriptor
builtins.mappingproxy
builtins.member_descriptor
builtins.method
builtins.method-wrapper
builtins.method_descriptor
builtins.module
builtins.traceback
builtins.wrapper_descriptor
DynamicClassAttribute
SimpleNamespace
AsyncGeneratorType = class async_generator(object)
| Methods defined here:
-- More --
Use "q" or "quit" to get out
satya - 12/29/2021, 2:06:47 PM
Like help(), other built-in functions are documented here
satya - 12/29/2021, 2:07:38 PM
How to run a script file
python some-script-file.py
#.py is convention
#any text file will work as well
satya - 12/29/2021, 3:16:11 PM
Quitting one more time
1. To quit python use quit() or ctrl-z
2. To quit help() use "q" or "quit" (no brackets)
3. To quit more... use "q" or "quit"