How do I check whether a file exists in python?
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Questions: I have data in different columns but I don’t know how to extract it to save it in another variable. index a b c 1 2 3 4 2 3 4 5 How do I select 'b', 'c' and save it in to df1? I tried...
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Questions: I need to join a list of items. Many of the items in the list are integer values returned from a function. ie: myList.append(munfunc()) How should I convert the returned result to a string ...
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Questions: I got a list of dictionaries and want that to be sorted by a value of that dictionary. This [{'name':'Homer', 'age':39}, {'name':'Bart', 'age':10}] sorted by name, should become [{'name':'B...