AI — Agents

What is an Agent?

An entity that perceives its environment and takes actions.

Agent Types

Type	Description
Simple Reflex	Condition-action rules
Model-Based	Maintains internal state
Goal-Based	Has goals to achieve
Utility-Based	Maximizes utility
Learning	Improves over time

Agent Architecture

Environment → Percepts → Agent → Actions → Environment

Simple Agent

class SimpleAgent:
    def __init__(self):
        self.rules = {}
    
    def perceive(self, environment):
        return environment.get_state()
    
    def act(self, percept):
        if percept in self.rules:
            return self.rules[percept]
        return "do_nothing"

Mini Practice

1. Understand agent concepts
2. Learn agent types
3. Create simple agent
4. Explore agent architectures

Up Next

Continue with Automation — AI automation.