For example, int ('1A', 16) converts the hexadecimal string '1A' to its decimal equivalent of 26. The base parameter specifies the numeral system to use, allowing for conversions from binary ...

For example, int ('1101', 2) converts the binary string '1101' to the decimal number 13. It's crucial that the string contains only 0s and 1s, as any other digit would be invalid in the binary system.