Modern looking calculator

Author: mary

Moder_Calculator_IOS/modern_calculator.png

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+"""
+	You need to install the ttkbootstrap, pip install ttkbootstrap(I recomand to use a virtual environment)
+"""
+import ttkbootstrap as ttk
+from configuration import GAP_SIZE
+
+
+class OutputLabel(ttk.Label):
+    """
+	Label for result and formula
+	"""
+    
+    def __init__(self, parent, style: str, string_var, row: int, anchor: str, column: int = 0) -> None:
+        super().__init__(
+            master = parent,
+            style = style,
+            textvariable = string_var,
+            )
+        self.grid(
+            row = row,
+            column = column,
+            columnspan = 4,
+            sticky = anchor
+            )
+
+
+class Button(ttk.Button):
+    """
+The class for operators and numbers buttons
+	"""
+    
+    def __init__(self, parent, text: str, func, row: int, column: int, span: int, style: str) -> None:
+        super().__init__(
+            master = parent,
+            text = text,
+            style = style,
+            command = func
+            )
+        self.grid(
+            row = row,
+            column = column,
+            columnspan = span,
+            sticky = 'news',
+            padx = GAP_SIZE,
+            pady = GAP_SIZE
+            
+            )
+
+
+class NumberButtons(Button):
+    def __init__(self, parent, text: str, style: str, func: str, row: int, column: int, span: int) -> None:
+        super().__init__(
+            parent = parent,
+            text = text,
+            style = style,
+            func = lambda: func(text),
+            span = span,
+            row = row,
+            column = column
+            )