Python MCQs with explanation

In which year python was released?

1. 1991
2. 1989
3. 1981
4. 2003

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Answer: 

Option a: 1991

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Python was first released in 1991. Guido van Rossum, a Dutch programmer, began working on Python in the late 1980s and its implementation was started in December 1989 by Guido van Rossum at CWI in the Netherlands as a successor to ABC capable of exception handling and interfacing with the Amoeba operating system. He released the first version of Python, 0.9.0, on February 20, 1991.