Python is one of the easiest programming languages to get to grips with, and also one of the most powerful and in-demand. Learning Python is not only fun then, but also a fantastic career move. One of ...

*pandas .concat() method can concatenate both vertical and horizontal . jan_feb = pd.concat([inv_jan, inv_feb], sort=True) # inv_feb has a new column named bill_ctry. The resulting table has this ...