How-to articles, tricks, and solutions about PYTHON

You can use the items() method to print the key-value pairs of a dictionary in Python.

One way to read a text file into a list or an array with Python is to use the split() method.

To upgrade the Python installation in Windows 10, you can use the pip package manager.

This error message is indicating that you are trying to iterate over an object of type 'int', which is not iterable (i.e.

Here is an example of how you can filter a pandas DataFrame by substring criteria:

To print instances of a class using the built-in print() function, you can define a __str__ method within the class.

You can use the time module in Python to get the current time in milliseconds.

To append an integer to the beginning of a list in Python, you can use the insert() method.

The time.time() function in Python returns the current timestamp in seconds since the epoch (January 1, 1970) in the local timezone.

You can use the itertools library in Python to get all possible combinations of a list's elements.

You can use the isna() method to check for NaN values in a Pandas DataFrame.

In Python, one way to find duplicates in a list and create another list with them is to use a for loop and an if statement.

You can use the .iloc[] property to select a row by its integer index in a pandas DataFrame or Series.

Here is a code snippet that shows how to plot a graph with logarithmic scales for both the x and y axes in Python using the Matplotlib library:

The "UnicodeDecodeError: 'ascii' codec can't decode byte" error occurs when trying to decode non-ASCII bytes using the ASCII codec.

This error message is indicating that a method or function called "method" is expecting one argument, but it was called with two arguments.

To declare an array in Python, you can use the array module.

This error occurs when trying to open a file that contains escape characters (such as \) in the file path, and the escape characters are not being properly interpreted by Python.

You can use the following code snippet to check which version of TensorFlow is installed in your system:

Here is an example of how to handle a UnicodeDecodeError caused by an invalid start byte:

To print the keys of a dictionary in Python, you can use the built-in keys() method.

This error message is indicating that there is a problem with a string in your code.

"Unexpected indent" in Python means that the indentation level of a line of code is not what the interpreter was expecting.

In Python, you can use the built-in upper() method to change a string to uppercase.

Here is a code snippet that shows how to calculate the Euclidean distance using NumPy: