Python Exceptions

Python Exceptions

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Namya Shah
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  1. ArithmeticError
    • Raised when an error occurs in numeric calculations
  2. AssertionError
    • Raised when an assert statement fails
  3. AttributeError
    • Raised when attribute reference or assignment fails
  4. Exception
    • Base class for all exceptions
  5. EOFError
    • Raised when the input() method hits an “end of file” condition (EOF)
  6. FloatingPointError
    • Raised when a floating point calculation fails
  7. GeneratorExit
    • Raised when a generator is closed (with the close() method)
  8. ImportError
    • Raised when an imported module does not exist
  9. IndentationError
    • Raised when indentation is not correct
  10. IndexError
    • Raised when an index of a sequence does not exist
  11. KeyError
    • Raised when a key does not exist in a dictionary
  12. KeyboardInterrupt
    • Raised when the user presses Ctrl+c, Ctrl+z or Delete
  13. LookupError
    • Raised when errors raised can’t be found
  14. MemoryError
    • Raised when a program runs out of memory
  15. NameError
    • Raised when a variable does not exist
  16. NotImplementedError
    • Raised when an abstract method requires an inherited class to override the method
  17. OSError
    • Raised when a system related operation causes an error
  18. OverflowError
    • Raised when the result of a numeric calculation is too large
  19. ReferenceError
    • Raised when a weak reference object does not exist
  20. RuntimeError
    • Raised when an error occurs that do not belong to any specific expections
  21. StopIteration
    • Raised when the next() method of an iterator has no further values
  22. SyntaxError
    • Raised when a syntax error occurs
  23. TabError
    • Raised when indentation consists of tabs or spaces
  24. SystemError
    • Raised when a system error occurs
  25. SystemExit
    • Raised when the sys.exit() function is called
  26. TypeError
    • Raised when two different types are combined
  27. UnboundLocalError
    • Raised when a local variable is referenced before assignment
  28. UnicodeError
    • Raised when a unicode problem occurs
  29. UnicodeEncodeError
    • Raised when a unicode encoding problem occurs
  30. UnicodeDecodeError
    • Raised when a unicode decoding problem occurs
  31. UnicodeTranslateError
    • Raised when a unicode translation problem occurs
  32. ValueError
    • Raised when there is a wrong value in a specified data type
  33. ZeroDivisionError
    • Raised when the second operator in a division is zero

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