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Which of the following code snippets will raise a ValueError?

easy📝 Syntax Q12 of Q15
Python - Exception Handling Fundamentals
Which of the following code snippets will raise a ValueError?
Aopen('file.txt')
B5 / 0
Cmy_list[10] where my_list has 5 elements
Dint('abc')
Step-by-Step Solution
Solution:
  1. Step 1: Analyze each option for ValueError

    int('abc') tries to convert a non-numeric string to int, which causes ValueError.
  2. Step 2: Check other options for different exceptions

    5 / 0 causes ZeroDivisionError, C causes IndexError, A may cause FileNotFoundError.
  3. Final Answer:

    int('abc') -> Option D
  4. Quick Check:

    Invalid int conversion = ValueError [OK]
Quick Trick: ValueError occurs when conversion or value is invalid [OK]
Common Mistakes:
MISTAKES
  • Confusing ZeroDivisionError with ValueError
  • Assuming file open errors cause ValueError
  • Mixing IndexError with ValueError

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