sys.float_info

sys.float_info is a Python function in the Sys Module category. Detailed information about the float type (max, min, epsilon, etc.). The syntax is sys.float_info. Returns: Named tuple with float details. A typical example: sys.float_info.max # 1.7976931348623157e+308 sys.float_info.epsilon # 2.220446049250313e-16. A close sibling is sys.argv, which a list of command-line arguments passed to a Python script. sys.argv[0] is the script name. A close sibling is sys.exit(), which exits the interpreter by raising SystemExit. arg can be an integer (exit code) or a string. A close sibling is sys.path, which a list of module search paths. Can be modified to add import directories. A close sibling is sys.version, which a string containing the Python interpreter version. More about this category: System-specific parameters and functions — argv, path, exit. Related Sys Module entries: sys.argv, sys.exit(), sys.path, sys.version, sys.platform, sys.stdin. This page is part of the free Python Reference documentation covering 978+ functions, methods, and modules with examples and parameter details.