Python PyQt Widgets Exercises and Solutions

Python PyQt Widgets [12 exercises with solution]

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These exercises cover various aspects of working with widgets in PyQt. These include their customization, layout management, and the creation of custom widgets to enhance the user interface.

1. Write a Python program that displays the text "Hello, PyQt!" in the center of the window using PyQt.

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2. Write a Python program that builds an application with two buttons "Yes" and "No" using PyQt. When the user clicks a button, display a message box with the corresponding choice.

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3. Write a Python program to create a simple text editor using PyQt. Allow users to input and save text to a file.

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4. Write a Python program to create a combobox with a list of colors using PyQt. When the user selects a color from the dropdown, change the main window background color.

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5. Write a Python program that designs a PyQt application with a push button that changes its text and background color when clicked.

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6. Write a Python program that customizes the appearance of a label text color, input field background color and a push button to close the dialog using PyQt.

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7.Write a Python program that builds an image viewer application that displays images using PyQt. Allow users to change the image by clicking "Previous" and "Next" buttons.

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8. Write a Python program that implements a temperature converter app that lets users choose between Celsius and Fahrenheit using PyQt. Customize the widget appearance based on the selected unit.

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9. Write a Python program to create a login form that accepts username and password and validates them. Use the PyQt5 module.

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10. Write a Python program to create push buttons in a grid where each button represents a numeric keypad. Use PyQt module.

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11. Write a Python program to build a chat application that displays messages after typing a new message. Use the PyQt module.

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12. Write a Python program to create a custom progress bar widget that displays a progress percentage using PyQt. Create methods to set and update progress values.

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