Percentile Calculator App using Python Tkinter - part 1 | Python GUI Programming Tutorial | Uplatz смотреть онлайн

This video by Uplatz demonstrates a step-by-step process of how to create a Percentile Calculator App using Python Tkinter. This is part-1 of the three part series. https://training.uplatz.com/online-it-course.php?id=gui-programming-in-python-using-tkinter-231

Python Tkinter is a standard GUI (Graphical User Interface) toolkit for Python. It provides a set of tools and widgets that allow developers to build desktop applications with a graphical user interface. Tkinter is included with most Python installations and does not require any additional installation.

Here is an example of a Percentile Calculator App using Python's Tkinter library:

import tkinter as tk
from statistics import median_low

def calculate_percentile():
data = [int(x) for x in data_entry.get().split()]
percentile = int(percentile_entry.get())
result = median_low(sorted(data), int(percentile / 100 * len(data)))
result_label.config(text="Result: {}".format(result))

# Create the window
root = tk.Tk()
root.title("Percentile Calculator")

# Create the labels and entries
data_label = tk.Label(root, text="Data (space-separated):")
data_label.grid(row=0, column=0)
data_entry = tk.Entry(root)
data_entry.grid(row=0, column=1)

percentile_label = tk.Label(root, text="Percentile:")
percentile_label.grid(row=1, column=0)
percentile_entry = tk.Entry(root)
percentile_entry.grid(row=1, column=1)

# Create the button and result label
calculate_button = tk.Button(root, text="Calculate", command=calculate_percentile)
calculate_button.grid(row=2, column=0)

result_label = tk.Label(root, text="")
result_label.grid(row=2, column=1)

# Start the main loop
root.mainloop()


This program creates a GUI window using the Tkinter library. It prompts the user to enter a list of integers separated by spaces and the desired percentile. When the user clicks the "Calculate" button, the program calculates the value of the specified percentile using the median_low function from the statistics module and displays the result in a label. Note that median_low returns the middle value of an odd-length sorted list or the lower of the two middle values of an even-length sorted list.

The main components of a Tkinter application are windows, frames, buttons, labels, text boxes, and other widgets. These widgets can be organized in a hierarchical structure to create complex user interfaces. Tkinter also provides support for event-driven programming, which allows developers to write code that responds to user actions such as button clicks and mouse movements.

One of the main advantages of Tkinter is its simplicity and ease of use. It has a small learning curve and is easy to understand for developers who are new to GUI programming. Tkinter also provides good cross-platform support, which means that applications built with it can run on different operating systems such as Windows, Mac OS, and Linux.

Tkinter is a great choice for developers who want to build simple and straightforward desktop applications with a graphical user interface using Python. Its simplicity and cross-platform support make it a popular choice for beginners and experienced developers alike.

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