Mar 22, 2025 · Examples of Using the .tail() Method. To understand how .tail() works let’s use a dataset containing details of NBA players. The dataset includes columns like Name, Team, Position, Height, Weight, College and Salary.

Is there a pythonic way to unpack a list in the first element and the "tail" in a single command? For example: >> head, tail = **some_magic applied to** [1, 1, 2, 3, 5, 8, 13, 21, 34, 55] &...

Sep 21, 2012 · The only portable way to tail -f a file appears to be, in fact, to read from it and retry (after a sleep) if the read returns 0. The tail utilities on various platforms use platform-specific tricks (e.g. kqueue on BSD) to efficiently tail a file forever without needing sleep.

You can use select to poll for new contents in a file. def tail(filename, bufsize = 1024): fds = [ os.open(filename, os.O_RDONLY) ] while True: reads, _, _ = select.select(fds, [], []) if 0 < len(reads): yield os.read(reads[0], bufsize)

pandas.DataFrame.tail# DataFrame. tail (n = 5) [source] # Return the last n rows. This function returns last n rows from the object based on position. It is useful for quickly verifying data, for example, after sorting or appending rows. For negative values of n, this function returns all rows except the first |n| rows, equivalent to df[|n|:].

Mar 7, 2024 · The tail() function can be combined with other DataFrame methods for more advanced data manipulation and analysis. For instance, using tail() in conjunction with the sort_values() function allows you to view the last few rows of sorted data. Here’s an example:

Learn how to use the python pandas tail() function to view the last rows of a DataFrame. This guide covers syntax, examples and tips.

The tail() method returns a specified number of last rows. The tail() method returns the last 5 rows if a number is not specified. Note: The column names will also be returned, in addition to the specified rows.

Aug 19, 2022 · The tail () function is used to get the last n rows. This function returns last n rows from the object based on position. It is useful for quickly verifying data, for example, after sorting or appending rows. Parameters: Number of rows to select. The last n rows of the caller object. Example: Download the Pandas DataFrame Notebooks from here.

Jan 12, 2021 · In this article, we will write a simple implementation of the tail command from Linux. This program will take a file and an integer n as input and print the last n lines from the file. Also, the goal of the program is to not read the entire file into memory at once.