Tkinter calc

What does the command parameter do in a tkinter button?

• Defines the function to execute when clicked

• The command parameter defines the button's label.
• The command parameter sets the button's size.
• The command parameter changes the button's color.

What does lambda do in the context of tkinter buttons?

• Allows adding a value to to function

• Defines the layout of buttons in tkinter.

• Lambda is a method for importing libraries in tkinter.
• Used to create graphical interfaces in tkinter.

What does justify='center' do?

• It adds padding around the text.
• It centers the text within the entry field.
• It increases the font size of the text.
• It aligns the text to the left.

What's the difference between pady and ipday in tkinter?

• pady adds external padding, ipady adds internal padding.
• pady and ipady are the same and have no effect.
• pady is used for horizontal spacing, ipady for vertical spacing.
• pady adjusts font size, ipady adjusts color.

What's the benefit of the eval function?

• Evaluating an expression

• Enhancing widgets

• Improved performance
• Static code analysis

What does this line do?

entry.delete(0, tk.END)

• It retrieves the text from the entry widget.
• It clears the text entry widget.
• It adds text to the entry widget.
• It changes the background color of the entry widget.

Which method inserts text into a tkinter Entry widget?

• add
• append
• insert
• write

Which statement is true about eval(expression) in the calculate() function?

• It executes the expression as Python code

• It prints the expression

• It deletes the expression

• All of them are correct