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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def add_label_to_table(self, row, col, txt):
 """Add a label to specified cell in table."""

        label = QLabel(txt)
        label.setMargin(5)
        label.setAlignment(Qt.AlignLeft | Qt.AlignVCenter)
        self.table.setCellWidget(row, col, label)