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Learn about the String F features in Python 3.8

A formatted string literal or f-string is a string literal that is prefixed with 'f' or 'F'. These strings may contain replacement fields, which are expressions delimited by curly braces {}. While other string literals always have a constant value, formatted strings are really expressions evaluated at run time. Python 3.8.0 is the newest major release of the Python programming language, and it contains many new features and optimizations.