2+ Free Guides
IT Career Guides & Free Resources
Expert roadmaps, tutorials, salary guides and interview prep across Data Science, Generative AI, Python, Cloud & Analytics — written by GloryTecks trainers in Hyderabad.
All articles
Generative AI
6 May 2026 12 min
Function Calling and Tool Use in LLMs Explained
Function calling lets a language model ask your code to look something up or take an action. This guide explains the round trip and how to define tools, then puts ten customer requests to a small local model with three tools, and shows the four ways it went wrong and the safeguards that caught them.
GloryTecks Team
Read Python
6 May 2026 7 min
Building a CLI Tool in Python with argparse
A step-by-step build of a small command-line tool with Python's argparse: positional arguments and typed options, choices and flags, subcommands, what happens on bad input, how to test the parser, and how to install the tool as a command with pyproject.toml.
GloryTecks Team
Read