Python Code Testing और Debugging

Testing और Debugging क्या है?

Testing और Debugging ka matlab hai: Testing checks whether code works correctly. Debugging helps find and fix errors. Simple words me, ye topic practical Python programs likhne me direct use hota hai.

Is topic ko sirf definition ke liye nahi, balki checking code automatically jaise real examples ke liye practice karein.

यह क्यों सीखना जरूरी है?

• Ye checking code automatically me kaam aata hai.
• Ye finding wrong output se bhi connected hai.
• Isse aap code ka output aur errors better samajh paate hain.

Important Terms

Syntax / Basic Pattern

Basic idea: pehle data तैयार करें, phir Python logic apply करें, aur finally result display करें.

def add(a, b):
    return a + b
assert add(2, 3) == 5
assert add(-1, 1) == 0
print("All tests passed")

Complete Example Program

def add(a, b):
    return a + b

assert add(2, 3) == 5
assert add(-1, 1) == 0

print("All tests passed")

Expected Output

Program Explanation

• def add(a, b): creates a reusable function.
• return a + b sends a result back from the function.
• assert add(2, 3) == 5 performs the next step of the program logic.
• assert add(-1, 1) == 0 performs the next step of the program logic.
• print("All tests passed") displays information or calculated result on the screen.

Practical Uses

• Checking code automatically.
• Finding wrong output.
• Improving reliability.

Common Mistakes

• Making code complex when a simple function or class is enough.
• Not handling possible errors or edge cases.
• Mixing project dependencies instead of using a virtual environment.

Practice Tasks

1. Program ko testing-debugging.py file me type karke run karein.
2. Values change karke output compare karein.
3. checking code automatically par ek छोटा example banayen.
4. Logic ko apne words me 5 lines me likhein.

सारांश

Testing and Debugging ko tab complete maanenge jab aap iska meaning, example, output aur practical use clearly explain kar saken.