Скачать или смотреть Python Error in Bengali | Class 12 WBCHSE | Computer Application | Computer Science | COMA | COMS

Python Error in Bengali | Class 12 WBCHSE | Computer Application | Computer Science | COMA | COMS
Errors: Syntax errors, logical errors, and run-time errors.
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Python errors can be broadly categorized into three main types:
Syntax Errors:
These errors occur when the Python interpreter encounters code that does not conform to the language's grammatical rules. They are detected during the parsing phase, before the program begins execution. Examples include missing colons, incorrect indentation (leading to IndentationError or TabError), or misspelled keywords. The interpreter will raise a SyntaxError and prevent the program from running until the syntax is corrected.
Runtime Errors (Exceptions):
These errors occur during the execution of the program. Unlike syntax errors, the code is syntactically valid, but an issue arises during runtime that prevents the program from continuing normally. Python uses a mechanism called "exceptions" to handle these errors. Common examples include:
TypeError: An operation is applied to an object of an inappropriate type (e.g., adding a string to an integer).
NameError: A variable or function name is used before it has been defined.
ZeroDivisionError: Attempting to divide a number by zero.
IndexError: Accessing an index that is out of range for a sequence (e.g., a list or tuple).
KeyError: Accessing a non-existent key in a dictionary.
FileNotFoundError: Attempting to open a file that does not exist.
Logical Errors:
These errors are the most subtle and challenging to detect because they do not cause the program to crash or raise an exception. Instead, the program runs to completion but produces an incorrect or unexpected result due to flaws in the program's logic. Examples include incorrect mathematical formulas, off-by-one errors in loops, or using the wrong operator. Debugging logical errors often requires careful examination of the program's output and step-by-step tracing of its execution.


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