Python - Modules and Code Organization
Which of the following is the main reason to use
if __name__ == '__main__': in a Python script?Which of the following is the main reason to use if __name__ == '__main__': in a Python script?
easy🧠 Conceptual Q2 of Q15
Step-by-Step Solution
Solution:
Step 1: Purpose of the if statement
The conditionif __name__ == '__main__':ensures code runs only when the script is executed directly.Step 2: Behavior when imported
If the script is imported, the code inside this block does not run.Final Answer:
To run code only when the script is executed directly -> Option AQuick Check:
Use __name__ == '__main__' to run direct execution code [OK]
Quick Trick: Use __name__ == '__main__' to run direct execution code only [OK]
Common Mistakes:
MISTAKES- Thinking it runs code when imported
- Using it to define variables
- Confusing it with syntax error prevention
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