⚡ CrackLab
💬

Prompt Engineering

Zero-shot, few-shot, CoT, role prompting, LangChain templates

1

Zero-Shot Prompting

beginner~18min

Asking without examples, when it works, limitations

2

Few-Shot Prompting

beginner~18min

Providing examples in the prompt, format matters, shot count tradeoffs

3

Chain-of-Thought Prompting (CoT)

intermediate~28min

Step-by-step reasoning, careful decomposition for math and logic tasks

4

Role Prompting

beginner~18min

Persona injection, tone control, examples

5

Prompt Templates in LangChain

intermediate~28min

PromptTemplate class, input variables, conditional prompts, chaining

6

Condensing Follow-up Questions — Memory in Chat

intermediate~28min

ConversationalRetrievalChain, chat history, standalone question rephrase

7

Mental Health Chatbot Prompt Design — Real Case

intermediate~28min

Real use case: questionnaire → LLM psychologist, two flow architectures

8

Common Prompting Mistakes & Best Practices

intermediate~28min

Vague prompts, instruction conflicts, over-prompting, format specification