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1 day ago · This tutorial introduces the reader informally to the basic concepts and features of the Python language and system. It helps to have a Python interpreter handy for hands-on experience, but all examples are self-contained, so the tutorial can be read off-line as well. For a description of standard objects and modules, see The Python Standard ...
- 12. Virtual Environments and Packages
This will create the tutorial-env directory if it doesn’t...
- 2. Using The Python Interpreter
Options found after -c command or -m module are not consumed...
- 5. Data Structures
You might have noticed that methods like insert, remove or...
- 16. Appendix
(assuming that the interpreter is on the user’s PATH) at the...
- Classes
Note how the local assignment (which is default) didn’t...
- 13. What Now
For Python-related questions and problem reports, you can...
- 14. Interactive Input Editing and History Substitution
The completion mechanism might use the interpreter’s symbol...
- 10. Brief Tour of The Standard Library
In contrast to timeit ’s fine level of granularity, the...
- 12. Virtual Environments and Packages
- About this Book
- Strings
- print x
- Methods
- true
- Modules
- 'Tue Sep 11 21:42:06 2012'
This book is prepared from the training notes of Anand Chitipothu. Anand conducts Python training classes on a semi-regular basis in Bangalore, India. Checkout out the upcoming trainings if you are interested.
Strings what you use to represent text. Strings are a sequence of characters, enclosed in single quotes or double quotes. >> x = "hello" >> y = 'world' >> print x, y hello world There is difference between single quotes and double quotes, they can used interchangebly. Multi-line strings can be written using three single quotes or three double quote...
y = '''multi-line strings can be written using three single quote characters as well.
Methods are special kind of functions that work on an object. For example, upper is a method available on string objects. >> x = "hello" >> print x.upper()
> istrcmp('LaTeX', 'Latex') True > istrcmp('a', 'b') False
Modules are libraries in Python. Python ships with many standard library modules. A module can be imported using the import statement. Lets look at time module for example: >> import time >> time.asctime()
The asctime function from the time module returns the current time of the system as a string. The sys module provides access to the list of arguments passed to the program, among the other things. The sys.argv variable contains the list of arguments passed to the program. As a convention, the first element of that list is the name of the program. L...
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Python Interpreter • Python takes as input a text file written in python language, compiles it and runs it. • The executable is called “python” or “python.exe”. • Also you can run an interactive session using the python shell with no text file. • If you installed in Windows you can run the python interpreter: –Start->Python ...
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The Python interpreter is easily extended with new functions and data types implemented in C or C++ (or other languages callable from C). Python is also suitable as an extension language for customizable applications. This tutorial introduces the reader informally to the basic concepts and features of the Python language and system. It
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We also look at the two ways the python3 interpreter can execute your python code: •The interactive interpreter •Calling the python interpreter on a file that contains code. Tip: Don’t just read! Type everything and experiment. 2.1Interactive interpreter We launch the python interpreter through cmd.exe:
Python is an easy to learn, powerful programming language. It has efficient high-level data structures and a simple but effective approach to object-oriented programming. Python’s elegant syntax and dynamic typing, together with its interpreted nature, make it an ideal language for scripting and rapid application development in many areas on ...
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Two ways to launch the interpreter: – Run IDLE; the interpreter is called the “Python shell”. – Type python at the operating system command line. • Type exit() to return to the operating system command line. These are not the same: • Operating system command line, or “shell” or “command prompt” (cmd.exe under Windows) or ...
