What is foo,bar,del? Wht is it coming to say

Answer 1

Metasyntactic variables used commonly across all programming languages include foobar, foo, bar, baz, qux, quux, quuz, corge, grault, garply, waldo, fred, plugh, xyzzy, and thud

Answer 2

Qbix is right. They are like playfull variable names,they mean nothing really. But del is actually a built in python expression. Its used to delete objects that are no longer needed.

Answer 3

foo and bar are just example variable names, which mean that you can actually put anything in their place (following variable naming rules).