Here is how to print literal curly-brace characters in a string and also use .format on it in Python.

string = "{{}}"
print(string) 

Copy & Run

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To print literal curly braces in a string and also use the .format() method on the string, you can use double curly braces to escape the braces.

You can then use the .format() method on the string as you normally would, like this:

string = "{{}}"
formatted_string = string.format("Hello, world!")
print(formatted_string)

This will print '"{Hello, world!}"' on the console.

Alternatively, you can also use the 'str.format()' method with the '!s' conversion flag to convert the string to a representation that can be used as a formatted string. For example:

string = "{}"
formatted_string = string.format("Hello, world!")
print(formatted_string)

This will also print '"{Hello, world!}"' on the console.

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