Ok, in that case Python would be 0, 1, 3 and Julia 1, 2, 3. My point is that the example explicitly skips an index in the definition of a data frame for Python, but it doesn't for Julia.
The code snippet explicitly defines the index to be 0, 1, 3. It may just be a typo, but if even simple examples are written sloppily, how can I trust the sheet: