ipython_quickstart_introspection_magic_commands_history.py

1# IPython is primarily an interactive shell, but you can use its features 
2# programmatically or via its interactive interface.
3
4# 1. Object Introspection
5# Using '?' provides details about an object
6import os
7# In an IPython shell, you would run: os.path.join?
8
9# 2. Magic Commands
10# Magic commands start with % (line magics) or %% (cell magics)
11from IPython import get_ipython
12ipython = get_ipython()
13
14if ipython:
15    # List all available magic commands
16    ipython.run_line_magic('lsmagic', '')
17
18    # Time the execution of a Python statement
19    ipython.run_line_magic('timeit', 'L = [i**2 for i in range(1000)]')
20
21# 3. Running Shell Commands
22# You can run system commands directly using the '!' prefix
23# !ls  # (On Unix/macOS)
24# !dir # (On Windows)
25
26# 4. Input/Output History
27# IPython stores inputs and outputs in 'In' and 'Out' lists
28print("Last input:", In[-1])