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Which statement is generally used in the beginning of the function or after a function call to check for valid input?
- a)Assert
- b)Raise
- c)Print
- d)Error
Correct answer is option 'A'. Can you explain this answer?
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Which statement is generally used in the beginning of the function or ...
Concept:
Exception:
An exception is an occurrence that happens during program execution that disturbs the regular flow of the program's instructions. When a Python script finds a condition that it cannot handle, it throws an exception. A Python object that reflects an error is known as an exception.
Exception:
An exception is an occurrence that happens during program execution that disturbs the regular flow of the program's instructions. When a Python script finds a condition that it cannot handle, it throws an exception. A Python object that reflects an error is known as an exception.
- Exception Handlers are programs that are designed to run when a specific exception is thrown.
- Raising an exception involves stopping the usual flow of program execution and navigating to the exception handler.
- Raise and assert statements are used to raise exceptions.
- Raise is often utilized when an erroneous condition has been recognized or when a condition does not fulfilled. Similar to assert, however, the exception is only triggered if a condition is fulfilled.
Assert:
- The assert statement is generally used at the beginning of the function or after a function call to check for valid input.
- The assert statement accepts an expression as well as an optional message.
- The assert statement is used to validate the types, values of arguments, and function output.
- The assert statement is used as a debugging tool since it stops the application when an error occurs.
Syntax:
assert <condition>
assert <condition>,<error message>
assert <condition>
assert <condition>,<error message>
Raise:
While they try and except blocks are for handling exceptions, the raise keyword on the contrary is to raise an exception.
While they try and except blocks are for handling exceptions, the raise keyword on the contrary is to raise an exception.
Syntax:
raise {name_of_ the_ exception_class}
raise {name_of_ the_ exception_class}
Hence the correct answer is assert.
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Which statement is generally used in the beginning of the function or after a function call to check for valid input?a)Assertb)Raisec)Printd)ErrorCorrect answer is option 'A'. Can you explain this answer?
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