Bombay duck Bombay duck The Bombay duck or bummalo ("Harpadon nehereus"), is a lizardfish. Adults may reach a maximum length of 40 cm, but the usual size is around 25 cm. The origin of the term "Bombay duck" is uncertain. One popular etymology relates to railways. When the rail links started on the Indian subcontinent, people from eastern Bengal were made aware of the great availability of the locally prized fish on India's western coasts and began importing them by the railways. Since the smell of the dried fish was overpowering, its transportation was later consigned to the mail train; the Bombay
Type system time), and the name of the type is irrelevant to determine type identity or type dependence; only partial structure information is required for that for a given point in the program execution. Duck typing uses the premise that (referring to a value) "if it walks like a duck, and quacks like a duck, then it is a duck" (this is a reference to the duck test that is attributed to James Whitcomb Riley). The term may have been coined by Alex Martelli in a 2000 message to the comp.lang.python newsgroup (see Python). While one controlled experiment showed an increase in