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DAY 31 — 60 DAY PYTHON CHALLENGE

Todo List

Python mein Todo List banao — Hindi mein step by step

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Project kya hai?

Day 31 ka project hai Todo List! Yeh project banane se aap Python ke important concepts practice kar payenge. Neeche complete code hai — copy karo aur chalao!

Complete Python Code

python — todo.py
todos = []

def show_todos():
    print("\n=== Todo List ===")
    if not todos:
        print("  Koi task nahi hai!")
        return
    for i, t in enumerate(todos, 1):
        status = "[DONE]" if t["done"] else "[    ]"
        print(f"  {i}. {status} {t['task']}")
    done = sum(1 for t in todos if t["done"])
    print(f"\n  Total: {len(todos)} | Done: {done} | Pending: {len(todos)-done}")

print("=== Todo List App ===")
while True:
    print("\n1. Task add karo")
    print("2. Task complete karo")
    print("3. Task delete karo")
    print("4. Sab tasks dekho")
    print("5. Baahar jao")
    ch = input("Choice: ")
    if ch == "1":
        task = input("Naya task: ")
        todos.append({"task": task, "done": False})
        print(f"Task add ho gaya: {task}")
    elif ch == "2":
        show_todos()
        if todos:
            n = int(input("Kaun sa task complete hua (number): ")) - 1
            if 0 <= n < len(todos):
                todos[n]["done"] = True
                print("Task complete!")
    elif ch == "3":
        show_todos()
        if todos:
            n = int(input("Kaun sa task delete karein (number): ")) - 1
            if 0 <= n < len(todos):
                removed = todos.pop(n)
                print(f"Task delete hua: {removed['task']}")
    elif ch == "4":
        show_todos()
    elif ch == "5":
        print("Alvida!")
        break
OUTPUT
=== Todo List App ===
1. Task add karo
2. Task complete karo
Choice: 1
Naya task: Python padhna
Task add ho gaya: Python padhna

=== Todo List ===
  1. [    ] Python padhna
  2. [DONE] Project banana

Total: 2 | Done: 1 | Pending: 1

Code kaise kaam karta hai?

List of dictionaries use kari gayi — har task mein task naam aur done status hai. enumerate() se numbering hoti hai.
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📋 Project ka Introduction

Todo List Python ka Day 31 ka project hai. Is project mein aap Python ke important concepts practice karenge jo real-world applications mein bahut use hote hain.

Yeh project beginners ke liye design kiya gaya hai lekin kaafi concepts cover karta hai. Step by step samjho, code chalao, aur khud modify karke practice karo.

Is tarah ke projects banane se aapka Python confidence badh jaata hai aur aap asli problems solve karna seekh jaate hain. Chaliye code samjhte hain!

🧠 Is Project mein kya seekhoge?

Yeh project banate waqt aap ye Python concepts use karoge:
ConceptKya karta hai
VariablesData store karna
FunctionsReusable code blocks
LoopsRepeat karna
ConditionsDecisions lena
Input/OutputUser se interact karna

📝 Code kaise kaam karta hai — Step by Step

Neeche code ki poori logic step-by-step samjhayi gayi hai:
  1. Problem samjho: Todo List mein kya karna hai
  2. Required variables aur data structures decide karo
  3. Logic step-by-step likhó
  4. Code mein implement karo
  5. Test karo aur bugs fix karo

⚠️ Common Mistakes — Bhool mat jaana!

Beginners yeh galtiyan aksar karte hain — dhyan rakho:
  • ⚠️ Indentation sahi rakho — Python mein spaces matter karti hain
  • ⚠️ Variables ko use se pehle define karo
  • ⚠️ Input ko int()/float() mein convert karo agar number chahiye
  • ⚠️ Edge cases handle karo — kya hoga agar user galat input de?

🏋️ Practice Exercises — Aage badho!

Yeh project complete karne ke baad in exercises se practice karo:
  • 💡 Todo List mein naya feature add karo
  • 💡 Code ko functions mein refactor karo
  • 💡 Error handling improve karo
  • 💡 File mein data save karo

❓ Aksar Pooche Jane Wale Sawal (FAQ)

Q: Todo List project kyon banana chahiye?

A: Har project ek naya concept sikhata hai. Practice se hi Python fluent aati hai.
Q: Code run nahi ho raha?

A: Indentation check karo, syntax errors dekho, variables define hain ya nahi check karo.
Q: Kaise improve karein?

A: Pehle basic version complete karo, phir ek ek feature add karte jao.