Python Programming

Image comparing Python '==' vs 'is': '==' tests value equality, 'is' tests object identity. Example shows two objects with same value but different identities and memory addresses.

Illustration showing Python code reversing a string: screen displays code 's = "hello"; reversed = s[::-1]' with arrows indicating chars flipping order and stepwise transformation.

Illustration of Python string operations: splitting a sentence into a list with split(), joining list elements into a string with join(), arrows showing tokens and recombined text.

Illustration showing Python code using the requests module: requests.get with URL, headers, and params, a response status check, and JSON parsing to retrieve API data. w/ examples.

Dev examining JSON API responses on laptop: formatted code, request headers, status codes, parsed data diagrams showing best practices for error handling and pagination. with tests.

Graphic of sending emails in Python: code editor on laptop, envelope and arrows representing SMTP flow, locks for authentication, and a success alert for automated delivery. (SMTP)

SQLite Database Connection Guide Working with databases represents one of the fundamental

Illustration of an init() method in object-oriented code: constructor initializing object state, setting default values and parameters, invoked on creation to prepare instances v1.

Illustration showing a vertical list with repeated items highlighted, arrows pointing to a cleaned list with duplicates removed, checkmarks and a filter icon showing deduplication.

Graphic showing Python code examples and icons type(), isinstance(), and sample variables int, float, str, list, dict; arrows point from variables to output types with shortlabels.

Diagram of parsing CLI arguments: flag and option recognition, value extraction, validation and help text generation, flow arrows linking tokenizer, parser, validator modules. v2.0

Diagram showing map() applying a function to each item in a list to produce a transformed list, and filter() selecting items by predicate, with arrows and sample arrays. with notes