# Index – Symbols

! (exclamation) in a command interpreter in curses module in formatted string literal in glob-style wildcards, [1] in string formatting in struct format strings ! (pdb command) != operator, [1] " (double quote) string literal """ string literal # (hash) comment, [1], [2] in doctests in printf-style formatting, [1] in regular expressions in string formatting source encoding declaration $ (dollar) environment variables expansion in regular expressions in template strings interpolation in configuration files % (percent) datetime format, [1], [2] environment variables expansion (Windows), [1] interpolation in configuration files operator, [1] printf-style formatting, [1] %= augmented assignment & (ampersand) operator, [1] &= augmented assignment ' (single quote) string literal ''' string literal () (parentheses) call class definition function definition generator expression in assignment target list in printf-style formatting, [1] in regular expressions tuple display (? in regular expressions (?! in regular expressions (?# in regular expressions (?: in regular expressions (?<! in regular expressions (?<= in regular expressions (?= in regular expressions (?P< in regular expressions (?P= in regular expressions * (asterisk) function definition import statement in AST grammar in argparse module in assignment target list in expression lists in function calls, [1] in glob-style wildcards, [1] in printf-style formatting, [1] in regular expressions operator, [1] ** function definition in dictionary displays in function calls, [1] in glob-style wildcards operator, [1] **= augmented assignment *= augmented assignment *? in regular expressions + (plus) binary operator, [1] in argparse module in doctests in printf-style formatting, [1] in regular expressions in string formatting unary operator, [1] += augmented assignment +? in regular expressions , (comma) argument list expression list, [1], [2], [3], [4] identifier list, [1] import statement in dictionary displays in string formatting in target list parameter list slicing with statement - (minus) binary operator, [1] in doctests in glob-style wildcards, [1] in printf-style formatting, [1] in regular expressions in string formatting unary operator, [1] --check-hash-based-pycs default|always|never command line option --create <tarfile> <source1> ... <sourceN> tarfile command line option --create <zipfile> <source1> ... <sourceN> zipfile command line option --details inspect command line option --extract <tarfile> [<output_dir>] tarfile command line option --extract <zipfile> <output_dir> zipfile command line option --help command line option trace command line option --ignore-dir=<dir> trace command line option --ignore-module=<mod> trace command line option --info zipapp command line option --invalidation-mode [timestamp|checked-hash|unchecked-hash] compileall command line option --list <tarfile> tarfile command line option --list <zipfile> zipfile command line option --locals unittest command line option --sort-keys json.tool command line option --test <tarfile> tarfile command line option --test <zipfile> zipfile command line option --user-base site command line option --user-site site command line option --version command line option trace command line option -= augmented assignment -> function annotations, [1] -? command line option -a, --annotate pickletools command line option -B command line option -b command line option compileall command line option -b, --buffer unittest command line option -c <command> command line option -c <tarfile> <source1> ... <sourceN> tarfile command line option -c <zipfile> <source1> ... <sourceN> zipfile command line option -c, --catch unittest command line option -c, --compress zipapp command line option -c, --count trace command line option -C, --coverdir=<dir> trace command line option -d command line option -d destdir compileall command line option -E command line option -e <tarfile> [<output_dir>] tarfile command line option -e <zipfile> <output_dir> zipfile command line option -e, --exact tokenize command line option -f compileall command line option -f, --failfast unittest command line option -f, --file=<file> trace command line option -g, --timing trace command line option -h command line option -h, --help json.tool command line option timeit command line option tokenize command line option zipapp command line option -I command line option -i command line option -i list compileall command line option -J command line option -j N compileall command line option -k unittest command line option -l compileall command line option -l <tarfile> tarfile command line option -l <zipfile> zipfile command line option -l, --indentlevel=<num> pickletools command line option -l, --listfuncs trace command line option -m <mainfn>, --main=<mainfn> zipapp command line option -m <module-name> command line option -m, --memo pickletools command line option -m, --missing trace command line option -n N, --number=N timeit command line option | -O command line option -o <output>, --output=<output> zipapp command line option -o, --output=<file> pickletools command line option -OO command line option -p <interpreter>, --python=<interpreter> zipapp command line option -p, --pattern pattern unittest-discover command line option -p, --preamble=<preamble> pickletools command line option -p, --process timeit command line option -q command line option compileall command line option -R command line option -r compileall command line option -r N, --repeat=N timeit command line option -R, --no-report trace command line option -r, --report trace command line option -S command line option -s command line option -s S, --setup=S timeit command line option -s, --start-directory directory unittest-discover command line option -s, --summary trace command line option -t <tarfile> tarfile command line option -t <zipfile> zipfile command line option -t, --top-level-directory directory unittest-discover command line option -t, --trace trace command line option -T, --trackcalls trace command line option -u command line option -u, --unit=U timeit command line option -V command line option -v command line option -v, --verbose tarfile command line option timeit command line option unittest-discover command line option -W arg command line option -X command line option -x command line option -x regex compileall command line option . (dot) attribute reference in Tkinter in glob-style wildcards in numeric literal in pathnames, [1] in printf-style formatting, [1] in regular expressions in string formatting .. in pathnames ... ellipsis literal, [1], [2] in doctests interpreter prompt, [1] placeholder, [1], [2] .ini file .pdbrc file / (slash) in pathnames, [1] operator, [1] // operator, [1] //= augmented assignment /= augmented assignment 0b integer literal 0o integer literal 0x integer literal 2-digit years 2to3 : (colon) annotated variable compound statement, [1], [2], [3], [4], [5], [6] function annotations, [1] in SQL statements in dictionary expressions in formatted string literal in string formatting lambda expression path separator (POSIX) slicing ; (semicolon), [1] < (less) in string formatting in struct format strings operator, [1] << operator, [1] <<= augmented assignment <= operator, [1] <BLANKLINE> = (equals) assignment statement class definition function definition in function calls in string formatting in struct format strings == operator, [1] > (greater) in string formatting in struct format strings operator, [1] >= operator, [1] >> operator, [1] >>= augmented assignment >>> interpreter prompt, [1] ? (question mark) in AST grammar in SQL statements in a command interpreter in argparse module in glob-style wildcards, [1] in regular expressions in struct format strings, [1] replacement character ?? in regular expressions @ (at) class definition function definition in struct format strings operator [] (square brackets) in assignment target list in glob-style wildcards, [1] in regular expressions in string formatting list expression subscription \ (backslash) escape sequence, [1] in pathnames (Windows) in regular expressions, [1], [2] \\ escape sequence in regular expressions \A in regular expressions \a escape sequence in regular expressions \B in regular expressions \b escape sequence in regular expressions, [1] \D in regular expressions \d in regular expressions \f escape sequence in regular expressions \g in regular expressions \N escape sequence, [1] in regular expressions \n escape sequence in regular expressions \r escape sequence in regular expressions \S in regular expressions \s in regular expressions \t escape sequence in regular expressions \U escape sequence, [1] in regular expressions \u escape sequence, [1] in regular expressions \v escape sequence in regular expressions \W in regular expressions \w in regular expressions \x escape sequence, [1] in regular expressions \Z in regular expressions ^ (caret) in curses module in regular expressions, [1] in string formatting marker, [1] operator, [1] ^= augmented assignment {} (curly brackets) dictionary expression in formatted string literal in regular expressions in string formatting set expression | (vertical bar) in regular expressions operator, [1] |= augmented assignment ~ (tilde) home directory expansion operator, [1]