A single short video walks a beginner through Python basics from installation to file handling.
Tick add Python to path while installingThe speaker stresses checking "add Python 3.7 to path" during install, then searching IDLE to write code.
Lists change, tuples do notitems[0] can be reassigned to Manish, while changing tube1[0] raises "tuple object does not support assignment".
Indentation replaces curly braces in PythonBecause Python has no braces like JavaScript or C++, indentation is what tells the interpreter you are inside the if statement.
Executive SummaryAI
The speaker promises one very short video covering Python from the beginning for games, GUI, data science and machine learning, with the code link and timestamps in the description.
Setup is done by downloading the latest version, 3.7, from python.org via a Chrome search, ticking "add Python 3.7 to path" during installation, then opening IDLE 32-bit and creating a new file where print("hello world") is run with F5.
Modules come in two kinds: installed ones such as flask via "pip install flask" in PowerShell or Command Prompt, and built-ins such as Math, imported with import Math and used as math.floor(3.65), which prints 3, or math.cos.
The core data types are walked through in turn — int, string and float variables checked with type(), string functions capitalize, find, upper and lower, lists whose index starts at 0 and whose items can be reassigned, tuples that raise "tuple object does not support assignment", dictionaries holding virat 100 and Sachin 500 runs with .get, .items and .keys, and sets that drop repeated items.
The last third covers operators and typecasting with str() and int(), input() read as a string, if/else/elif with indentation instead of curly braces, for loops over range and while loops with manual i increments, functions defined with def and return (average of 3 and 6 gives 4.5), try/except for exceptions, and writing then reading 1.txt with open, f.write, f.read and f.close.
Key Quote
“If you watch this video completely, I can guarantee you that you will never have a problem in writing Python code.”
— Speaker
Key Quote
“While installing, you should check the add of add Python 3.7 to path.”