Python Tutorial: Error Handling | Try-Except-Finally

In this video, we will be taking a look at how to handle errors and exceptions. Often, when you develop programs for end users, you don't really want to directly show them the error messages in case you face an error. So, it is much better to handle errors when they are thrown by your program in a way that goes easy on the users using your application.

Although the Error Handling topic is vast, this video covers the fundamentals to keep you aware of the different blocks that we use to handle exceptions, namely try, except and finally blocks.

Enjoy the video.

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Hmm, I wonder where these links takes us :

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[pranavu]

There is a neat way of Identifying the type of the error that needs to be passed along with the except block. What you have to do is let the error actually happen and read the last line of the error log. Most probably, the type of the error would be mentioned there. For example

Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: can only concatenate str (not "int") to str

In the last line, you can see the type of the error is TypeError. So, in order to catch this error, you have to pass TypeError with except block. For example

try:
<your code here>
except TypeError:
print("TypeError occured!")