Beginner's Guide · Data & API Tools
Pandas or Postman First? What Beginners Should Pick
Quick summary — Pandas or Postman first?
Start with Pandas if you want to analyze data. This guide breaks down every day, week, and month of your learning journey — with checklists, goals, and tracking to keep you on course.
In this guide you will learn:
- Month 1: Python & Pandas — daily and weekly learning plan.
- Month 2: Pandas Advanced — daily and weekly learning plan.
- Month 3: Postman & APIs — daily and weekly learning plan.
- Tracking templates — track your progress.
- Accountability tips — stay on track.
SECTION 01Month 1: Python & Pandas (Days 1-30)
The first month is about building your data foundation. Here's your weekly learning plan:
| Week | Focus | Daily Actions | Weekly Goal |
|---|---|---|---|
| Week 1 | Python Basics | Learn Python syntax, variables, data types | Write basic Python scripts |
| Week 2 | Pandas Basics | Learn Series, DataFrame, data loading | Load and explore a CSV file |
| Week 3 | Pandas Data Manipulation | Filtering, sorting, grouping, merging | Clean and transform a dataset |
| Week 4 | Pandas Visualization | Basic plotting, summary statistics | Create a simple data report |
Month 1 — Daily Schedule:
7:00 AM — Wake up, exercise (30 min)
8:00 AM — Review goals for the day
9:00 AM — Deep work (3 hours)
- Week 1: Python syntax, loops, functions
- Week 2: Pandas Series and DataFrame
- Week 3: Data cleaning and manipulation
- Week 4: Data visualization basics
12:00 PM — Lunch break
1:00 PM — Practice exercises (Kaggle, Codewars)
2:00 PM — Deep work (2 hours)
5:00 PM — Review progress, plan tomorrow
6:00 PM — Exercise, rest
8:00 PM — Read documentation (30 min)
10:00 PM — Wind down
Week 1 Review:
□ Do I understand Python variables and data types?
□ Can I write loops and functions?
□ Have I completed 10 basic exercises?
Week 2 Review:
□ Do I understand Pandas Series and DataFrame?
□ Can I load a CSV file?
□ Have I explored a dataset?
Week 3 Review:
□ Can I filter and sort data?
□ Can I group and aggregate data?
□ Have I merged two datasets?
Week 4 Review:
□ Can I create basic plots?
□ Can I compute summary statistics?
□ Have I created a simple data report?
SECTION 02Month 2: Pandas Advanced (Days 31-60)
The second month is about mastering Pandas and building projects. Here's your weekly learning plan:
| Week | Focus | Daily Actions | Weekly Goal |
|---|---|---|---|
| Week 5 | Advanced Pandas | Pivot tables, multi-index, time series | Complete advanced exercises |
| Week 6 | Build Project 1 | Work on first data analysis project | Complete Project 1 |
| Week 7 | Build Project 2 | Work on second data analysis project | Complete Project 2 |
| Week 8 | Create Portfolio | GitHub setup, portfolio page creation | Complete portfolio |
Month 2 — Daily Schedule:
7:00 AM — Wake up, exercise (30 min)
8:00 AM — Review goals for the day
9:00 AM — Deep work (3 hours)
- Week 5: Advanced Pandas (pivot, time series)
- Week 6: Project 1
- Week 7: Project 2
- Week 8: Portfolio creation
12:00 PM — Lunch break
1:00 PM — Practice (Kaggle, real datasets)
2:00 PM — Deep work (2 hours)
5:00 PM — Review progress, plan tomorrow
6:00 PM — Exercise, rest
8:00 PM — Read documentation (30 min)
10:00 PM — Wind down
Week 5 Review:
□ Have I completed advanced Pandas exercises?
□ Can I use pivot tables and multi-index?
□ Have I worked with time series data?
Week 6 Review:
□ Is Project 1 complete?
□ Is it documented with problem, solution, results?
□ Is it on GitHub?
Week 7 Review:
□ Is Project 2 complete?
□ Is it different from Project 1?
□ Is it on GitHub?
Week 8 Review:
□ Is my GitHub organized?
□ Have I created a portfolio page?
□ Are my projects well-documented?
SECTION 03Month 3: Postman & APIs (Days 61-90)
The third month introduces Postman and API testing — a skill that complements your data analysis work. Here's your weekly learning plan:
| Week | Focus | Daily Actions | Weekly Goal |
|---|---|---|---|
| Week 9 | API Basics & Postman | Learn REST, HTTP methods, Postman setup | Make 10 API requests |
| Week 10 | API Testing | Write tests, use collections, environments | Build a test collection |
| Week 11 | Integrate with Python | Use Python requests with Postman-learned APIs | Connect API data to Pandas |
| Week 12 | Evaluate & Build | Build a project combining Pandas and Postman skills | Complete final project |
Month 3 — Daily Schedule:
7:00 AM — Wake up, exercise (30 min)
8:00 AM — Review goals for the day
9:00 AM — Deep work (3 hours)
- Week 9: API basics and Postman
- Week 10: API testing and collections
- Week 11: Python + Postman integration
- Week 12: Final project
12:00 PM — Lunch break
1:00 PM — Practice API calls and testing
2:00 PM — Deep work (2 hours)
5:00 PM — Review progress, plan tomorrow
6:00 PM — Exercise, rest
8:00 PM — Read API documentation (30 min)
10:00 PM — Wind down
Week 9 Review:
□ Do I understand HTTP methods and status codes?
□ Have I made API requests in Postman?
□ Do I know how to use headers and parameters?
Week 10 Review:
□ Can I write tests in Postman?
□ Have I used collections and environments?
□ Have I run a full test collection?
Week 11 Review:
□ Can I make API requests with Python?
□ Have I loaded API data into Pandas?
□ Have I built a small integration script?
Week 12 Review:
□ Have I built a project combining Pandas and Postman?
□ Is it documented?
□ Is it on GitHub?
SECTION 04Tracking templates
Use these templates to track your 90-day progress:
Daily Tracker:
Date: _________
☐ Morning routine completed
☐ Deep work session 1 (3 hours)
☐ Deep work session 2 (2 hours)
☐ Practice exercises completed
☐ API practice (Postman) completed
☐ Exercise completed
☐ Reviewed progress
☐ Planned tomorrow
Today's Accomplishments:
1.
2.
3.
Tomorrow's Priorities:
1.
2.
3.
Weekly Tracker:
Week: _____ (Month 1 / 2 / 3)
Goals for this week:
1.
2.
3.
Daily Progress:
Mon: ☐☐☐
Tue: ☐☐☐
Wed: ☐☐☐
Thu: ☐☐☐
Fri: ☐☐☐
Sat: ☐☐☐
Sun: ☐☐☐
Weekly Wins:
1.
2.
3.
Challenges & Solutions:
1.
2.
Next Week's Goals:
1.
2.
3.
Monthly Tracker:
Month: _____ (1 / 2 / 3)
Monthly Goal:
_______________________________________________
Week 1 Progress: ☐☐☐
Week 2 Progress: ☐☐☐
Week 3 Progress: ☐☐☐
Week 4 Progress: ☐☐☐
Monthly Wins:
1.
2.
3.
Skills Gained:
1.
2.
3.
Portfolio Items:
1.
2.
3.
API Requests Made: _____
Postman Tests Written: _____
Pandas Projects Built: _____
Next Month's Goal:
_______________________________________________
SECTION 05Accountability tips
Here are tips to stay accountable during your 90-day learning journey:
- Find an accountability partner — share your weekly goals with someone who will check in.
- Track daily wins — write down 3 wins each day, no matter how small.
- Join a community — connect with others learning Pandas or Postman.
- Celebrate milestones — reward yourself at 30, 60, and 90 days.
- Review weekly — every Sunday, review your progress and plan the week ahead.
SECTION 06Interview Q&A — Pandas & Postman
Q1Should I learn Pandas or Postman first?
Start with Pandas if your goal is data analysis. Learn Postman afterward if you need to work with APIs — the skills complement each other.
Q2Can I learn both at the same time?
Yes — but focus on one primary skill first. Pandas is a better foundation for beginners, so start there and add Postman later.
Q3What if I already know Python?
You can move faster through Month 1. Focus on Pandas fundamentals and then decide whether Postman is relevant to your career goals.
Q4How do I stay motivated?
Review your progress weekly. Celebrate wins. Connect with others. And remember — you're building your future.
Q5What if I get a job before 90 days?
Congratulations! Use the remaining time to prepare for your new role or continue building skills. The plan is flexible.
SECTION 07Test yourself — Pandas vs Postman quiz
Five questions. No sign-up.
0 / 5Pick an answer to see why it is right or wrong.
SECTION 08Frequently asked questions
What's the most important month in the 90-day plan?
All months are important, but Month 1 (Python & Pandas) is critical because it sets the foundation for everything that follows.
How much time should I commit daily?
5-6 hours of focused work daily is optimal. If you have less time, even 2-3 hours consistently can work — you'll just need to extend the timeline.
What if I don't have a portfolio?
Build one in Month 2. Start with 2-3 projects — it doesn't need to be perfect, just real and well-documented.
Can I combine months?
Yes — if you have more time, you can combine activities. For example, you can start learning Postman while finishing Pandas projects.
What if I'm not applying in Month 3?
Use the extra time to build more projects, improve your portfolio, or practice more interview questions. Stay ready.
SECTION 09Related reads
Classroom & online · Noida
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