Added missing files and removed unnessesary ones

Python/pyqt6_4/snippets/3.py

@@ -0,0 +1,31 @@
+import sys
+
+from PyQt6.QtWidgets import QApplication, QWidget, QPushButton
+from PyQt6.QtCore import QSize
+from PyQt6.QtGui import QFont, QIcon
+
+
+class Window(QWidget):
+    def __init__(self) -> None:
+        super().__init__()
+        self.setGeometry(*(500,) * 4)
+        self.setWindowTitle("Окно")
+        self.create_button()
+
+    def create_button(self) -> None:
+        btn = QPushButton("Click", self)
+        btn.setGeometry(*(100,) * 4)
+        btn.setFont(QFont("Times", 14, QFont.Weight.ExtraBold))
+        btn.setIcon(QIcon("cat1.jpg"))
+        btn.setIconSize(QSize(50, 50))
+
+
+def main() -> None:
+    app = QApplication(sys.argv)
+    window = Window()
+    window.show()
+    sys.exit(app.exec())
+
+
+if __name__ == "__main__":
+    main()