Markers You can use the keyword argument marker to emphasize each point with a specified marker: Example Mark each point with a circle: import matplotlib.pyplot as plt import numpy as np ypoints = np.array([3, 8, 1, 10]) plt.plot(ypoints, marker =…
Plotting x and y points The plot() function is used to draw points (markers) in a diagram. By default, the plot() function draws a line from point to point. The function takes parameters for specifying points in the diagram. Parameter…
Pyplot Most of the Matplotlib utilities lies under the pyplot submodule, and are usually imported under the plt alias: import matplotlib.pyplot as plt Now the Pyplot package can be referred to as plt.
Installation of Matplotlib If you have Python and PIP already installed on a system, then installation of Matplotlib is very easy. Install it using this command: C:\Users\Your Name>pip install matplotlib If this command fails, then use a python distribution that…
What is Matplotlib? Matplotlib is a low level graph plotting library in python that serves as a visualization utility. Matplotlib was created by John D. Hunter. Matplotlib is open source and we can use it freely. Matplotlib is mostly written…
Delete a File To delete a file, you must import the OS module, and run its os.remove() function: Example Remove the file “demofile.txt”: import os os.remove(“demofile.txt”) Check if File exist: To avoid getting an error, you might want to check…
Write to an Existing File To write to an existing file, you must add a parameter to the open() function: “a” – Append – will append to the end of the file “w” – Write – will overwrite any existing…
File handling is an important part of any web application. Python has several functions for creating, reading, updating, and deleting files. File Handling The key function for working with files in Python is the open() function. The open() function takes…
F-String was introduced in Python 3.6, and is now the preferred way of formatting strings. Before Python 3.6 we had to use the format() method. F-Strings F-string allows you to format selected parts of a string. To specify a string…
