Calculadora: criando um QLabel para mostrar informações

aula202-calculadora/info.py

@@ -0,0 +1,13 @@
+from PySide6.QtCore import Qt
+from PySide6.QtWidgets import QLabel, QWidget
+from variables import SMALL_FONT_SIZE
+
+
+class Info(QLabel):
+    def __init__(self, text: str, parent: QWidget | None = None) -> None:
+        super().__init__(text, parent)
+        self.configStyle()
+
+    def configStyle(self):
+        self.setStyleSheet(f'font-size: {SMALL_FONT_SIZE}px;')
+        self.setAlignment(Qt.AlignmentFlag.AlignRight)

aula202-calculadora/main.py

@@ -1,6 +1,7 @@
 import sys
 
 from display import Display
+from info import Info
 from main_window import MainWindow
 from PySide6.QtGui import QIcon
 from PySide6.QtWidgets import QApplication
@@ -16,6 +17,10 @@ if __name__ == '__main__':
     window.setWindowIcon(icon)
     app.setWindowIcon(icon)
 
+    # Info
+    info = Info('2.0 ^ 10.0 = 1024')
+    window.addToVLayout(info)
+
     # Display
     display = Display()
     window.addToVLayout(display)