Python PyQt basic exercises and solutions

Python PyQt basic [10 exercises with solution]

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1. Write a Python program to create a blank window using PyQt.

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2. Write a Python program to create a basic PyQt application that opens an empty window with a specified size and title. Add various widgets (e.g. label, push button) to the blank window. Widgets should display text or perform a simple action.

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3. Write a Python program that creates a window with multiple widgets using vertical and horizontal layouts. Use PyQt module.

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4. Write a Python program that creates a PyQt application with a QLineEdit widget and a QPushButton. When the button is clicked, it should display the text entered in QLineEdit.

Note:
The QLineEdit widget is a one-line text editor.
The QPushButton widget provides a command button.

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5. Write a Python program using PyQt5 that creates an application with a QPushButton and a QLabel. Whenever the button is clicked, the label's text should change.

Note:
The QPushButton widget provides a command button.
The QLabel widget provides a text or image display.

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6. Write a Python program to create a custom widget by subclassing QWidget using PyQt. This widget should have a unique appearance or behavior.

Note:
The QWidget class is the base class of all user interface objects.

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7. Write a Python program using PyQt5 that asks users to change widget properties, such as color, font, or size. Observe how it affects the widget's appearance.

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8. Write a Python program that builds a basic calculator application with buttons for numbers and operators using PyQt. When buttons are clicked, they display the input and perform calculations.

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9. Write a Python program that overrides a specific event handler to customize widget behavior using PyQt.

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10. Write a Python program that creates a simple dialog box that displays a message or input form when a button is clicked using PyQt.

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