The literally first example on the page you link to works. So I’m just going to copy and paste it here and change two values. from multiprocessing import Pool def f(x): return x*x if __name__ == ‘__main__’: with Pool(100) as p: print(p.map(f, range(100))) EDIT: you just said that you’re using Google colab. I think google … Read more
First of all: iter() normally is a function. Your code masks the function by using a local variable with the same name. You can do this with any built-in Python object. In other words, you are not using the iter() function here. You are using a for loop variable that happens to use the same … Read more
Note: The ideas here are pretty generic for Stack Overflow, indeed questions. Disclaimer: Writing a good question is hard. The Good: do include small* example DataFrame, either as runnable code: In [1]: df = pd.DataFrame([[1, 2], [1, 3], [4, 6]], columns=[‘A’, ‘B’]) or make it “copy and pasteable” using pd.read_clipboard(sep=’\s\s+’), you can format the text … Read more