how to debug python script in idle

Опубликовано: 29 Сентябрь 2024
на канале: CodeStack

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debugging is a crucial skill for any programmer, and python provides a powerful built-in debugger. idle, the integrated development and learning environment, includes a user-friendly interface for debugging python scripts. in this tutorial, we'll walk through the process of debugging a python script in idle, complete with code examples.
ensure that you have python and idle installed on your system. if not, you can download them from python's official website.
open idle on your system. you can do this by searching for "idle" in your system's applications or running idle from the command line.
create a new python script or open an existing one in idle. for demonstration purposes, let's create a simple script with a bug:
this script attempts to divide numerator by denominator, but it will raise a zerodivisionerror due to attempting to divide by zero.
to start debugging, set a breakpoint at the line where you suspect the issue is. click on the left margin of the line number in the script editor. a red dot will appear, indicating the breakpoint.
in our example, set a breakpoint at the line with the division:
run the script in debugging mode by selecting run debug module from the menu, or press f5. the script will run until it reaches the breakpoint, and the execution will pause.
while paused at the breakpoint, you can inspect the values of variables. use the debug control window to see the current state of variables. in our example, you can check the values of a, b, and result.
use the step controls in the debug control window to step through the code:
identify the issue by inspecting variables and stepping through the code. in our example, you'll notice the division by zero error. fix the bug by adding proper error handling:
debugging in idle is a powerful tool for identifying and fixing issues in your python scripts. by setting breakpoints, inspecting variables, and stepping through the code, you can efficiently diagnose and resolve bugs in your programs.
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