Fixed TypeError: object of type 'int' has no len()

Fixed TypeError: object of type 'int' has no len()

Error report

I have encountered this pit in my work before, and record the problem and solution. It may not be applicable to all situations, but it can be used for your reference.
The problem description is as follows:

TypeError: object of type ‘int‘ has no len()

TypeError: object of type 'int' has no len()

Solution

Change
plt.xticks(3, ['111','222','333'])
to
plt.xticks([1,2,3], ['111','222','333'])

PS

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