TypeError: Must be str, not tuple in Python?

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It is a very critical error and comes most of the time while doing the programming of Python. Why does the str not tuple in Python occur in the very first place, and how you can get rid of it.

We can use the try: and an except: function to fix the str, not tuple error but it is not a good programming practice to do so. So, we have come with some pretty straightforward methods to kick off this error in a proper way.

How to fix ‘TypeError: Must be str, not tuple’ in Python

You should avoid getting these errors because TypeErrors can make your application load. Even after fixing it with above-mentioned functions because the code is still up and consuming resources in the background.

TypeError: Must be str, not tuple in Python

TypeError: Must be str, not tuple in Python happening whenever you are not mentioning the tag or the function that is:


Or sometimes, you need to mention the values of its also like in the example:


In the above example, you must pass out the name of the function, and if there you did call argument also so, don’t forget to call that one too.

Why does it always happen on the list?

The list is a function of Python which is using most of and most of the time it shows the error that list has not to attribute str so, in this case, you need to solve the error like in this example:




variable_name = str()

variable_name = list(str())

variable_name = str( function () )

In the below-mentioned example of try, except you can use also:

except TypeError:
	print("Variable x is not defined")
except: print("Something else went wrong")

TypeError: Must be str, not tuple in Python

It will pass the x value whatever you called, and in a second method, if there is no variable to show the value so, it will not bring any error like TypeError. While, in the third option, it must show “Something else went wrong.”

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