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Which of the following class definitions will cause a syntax error in Python?

easy📝 Syntax Q3 of 15
Python - Multiple Inheritance and Method Resolution
Which of the following class definitions will cause a syntax error in Python?
Aclass Child(Parent1, Parent2): pass
Bclass Child(Parent1 Parent2): pass
Cclass Child(Parent1): pass
Dclass Child(): pass
Step-by-Step Solution
Solution:
  1. Step 1: Check syntax for multiple inheritance

    Parent classes must be separated by commas inside parentheses.
  2. Step 2: Identify invalid syntax

    class Child(Parent1 Parent2): pass misses the comma between Parent1 and Parent2, causing a syntax error.
  3. Final Answer:

    class Child(Parent1 Parent2): pass causes syntax error -> Option B
  4. Quick Check:

    Missing comma between parents = syntax error [OK]
Quick Trick: Separate multiple parents with commas inside parentheses [OK]
Common Mistakes:
  • Forgetting commas between parent classes
  • Using spaces instead of commas
  • Omitting parentheses entirely

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