Escaping Curly Braces ({}) in .format Strings
When using the .format method to format strings, curly braces ({}) have a special meaning. They are used to specify replacement fields. However, if you need to include literal curly braces in your string, you can escape them by doubling them ({{ and }}).
Example with Non-Working Double Escaping:
print(" \{ Hello \} {0} ".format(42))
Correct Example with Double Braces:
x = " {{ Hello }} {0} " print(x.format(42))
Explanation from Python Documentation:
According to the Python documentation:
"Format strings contain “replacement fields” surrounded by curly braces {}. Anything that is not contained in braces is considered literal text, which is copied unchanged to the output. If you need to include a brace character in the literal text, it can be escaped by doubling: {{ and }}."
Therefore, by doubling the curly braces in the correct example, you can escape them and include them as literal text in the string.
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