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Emirates is the largest operator of the Boeing 777 with 133 aircraft as of November 2023 [1] The Boeing 777 is a long-range wide-body twin-engine jet airliner designed and manufactured by Boeing Commercial Airplanes, the commercial business unit of Boeing. Commonly referred to as the "Triple Seven", [2] it is the largest twinjet. [3]
For example, x 1 is a positive literal, ¬x 2 is a negative literal, and x 1 ∨ ¬x 2 is a clause. The formula ( x 1 ∨ ¬ x 2 ) ∧ (¬ x 1 ∨ x 2 ∨ x 3 ) ∧ ¬ x 1 is in conjunctive normal form; its first and third clauses are Horn clauses, but its second clause is not.
Singapore Airlines' order for up to 77 aircraft on November 15, 1995 constituted the largest-ever wide-body aircraft purchase at the time. [1] The purchase comprised 34 firm orders and 43 options for the 777-200ER, all to be powered by Trent 800 series engines, and was valued at US$12.7 billion. [ 1 ]
Augmented assignment (or compound assignment) is the name given to certain assignment operators in certain programming languages (especially those derived from C).An augmented assignment is generally used to replace a statement where an operator takes a variable as one of its arguments and then assigns the result back to the same variable.
[50] [51] While Python 2.7 and older versions are officially unsupported, a different unofficial Python implementation, PyPy, continues to support Python 2, i.e. "2.7.18+" (plus 3.10), with the plus meaning (at least some) "backported security updates". [52] Python 3.0 was released on 3 December 2008, with some new semantics and changed syntax.
The boolean values True and False were added to the language in Python 2.2.1 as constants (subclassed from 1 and 0) and were changed to be full blown keywords in Python 3. The binary comparison operators such as == and > return either True or False .
Emirates is the largest airline operator as of 2018, [184] and is the only customer to have operated all 777 variants produced, including the -200, -200ER, -200LR, -300, -300ER, and 777F. [ 2 ] [ 251 ] The 1,000th 777 off the production line, a -300ER set to be Emirates' 102nd 777, was unveiled at a factory ceremony in March 2012.
The company was founded by DHL Express and Lufthansa Cargo on 12 September 2007. Flight operations started on 29 June 2009, [1] following the delivery of its first aircraft on 12 May of that year, a Boeing 777 Freighter, making AeroLogic the first German operator of that type.