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Tag: string

Manipulate string to drop columns on pandas

I’m trying to manipulate a list (type: string) to use that list to drop some columns from a dataframe. Dataframe The list is from a dataframe that I created a condition to return columns whose sums of all values ​​are zero: Selecting the columns with sum = 0 Importing the dataframe and turning it into a…

class and defining __str__

This is the exercise: Write the special method __str__() for CarRecord. Sample output with input: 2009 ‘ABC321’ Year: 2009, VIN: ABC321 The following code is what I have came up with, but I’m receiving an error: TYPEERROR: __str__ returned non-string I can’t figure out where I went wro…