🛡️ Error Handling

try:
    num = int(input("Number: "))
    result = 100 / num
    print(f"Result: {result}")
except ValueError:
    print("Error: Number enter karo!")
except ZeroDivisionError:
    print("Error: 0 se divide nahi!")
except Exception as e:
    print(f"Koi error: {e}")

try:
    f = open("file.txt", "r")
    data = f.read()
    print(data)
except FileNotFoundError:
    print("File nahi mili!")
finally:
    print("Yeh hamesha chalta hai")
    # Cleanup code yahan aata hai

class AgeError(Exception):
    pass

def check_age(age):
    if age < 0:
        raise AgeError("Umar negative nahi ho sakti!")
    if age > 150:
        raise AgeError("Umar 150 se zyada nahi ho sakti!")
    print(f"Valid age: {age}")

try:
    check_age(-5)
except AgeError as e:
    print(f"Error: {e}")

# Chapter 13: Error Handling — Advanced Practice
print("=== Error Handling Practice ===")

# Example 1: Basic usage
result = "Python mein Error Handling bahut powerful hai!"
print(result)

# Example 2: Real world use
data = ["Error Handling", "Python", "Hindi", "PythonHindi.in"]
for item in data:
    print(f"Item: {item}")

print("\nPractice complete! Great job! 🎉")

# Chapter 13: Error Handling — Advanced Examples
# Yeh code copy karo aur run karo!

# Example 1: Basic concept
print("=== Chapter 13: Error Handling ===")

# Example 2: List operations
items = ["Python", "Hindi", "Code", "Practice"]
for i, item in enumerate(items, 1):
    print(f"{i}. {item}")

# Example 3: Dictionary usage
chapter_info = {
    "number": 13,
    "title":  "Error Handling",
    "level":  "Intermediate",
    "done":   False
}
for key, value in chapter_info.items():
    print(f"  {key:10}: {value}")

# Example 4: Function
def practice_summary(chapter, completed=False):
    status = "Complete ✅" if completed else "In Progress ⏳"
    return f"Chapter {chapter}: {status}"

print(practice_summary(13))
print(practice_summary(13, True))