The variables must begin with a letter of the alphabet, a dollar sign or a underscore. After the first character you may add numbers as well. All special characters besides the dollar sign and underscore and not allowed in variables.
Lists involve date with multiple themes.
Answer:
You can answer this very easily by considering which of the circumstances affect the end user and which affect the developer:
1) Didn't use comments in the code
- affects developers
2) User complaints about language used in the program
- affects users
3) The variables have meaningless names
- affects developers
4) The program should have used a loop
- affects developers
5) The numeric results are incorrect
- affects users
Your answers then are 2 and 5, spoken languages and incorrect output will very much affect the user experience.
Answer:
Python is an object-oriented programming language that is designed to be accessible and simple for all users, HTML is a web language and is used globally to define the structure of web pages by using various tags. HTML is not a programming language it's a markup language which is used to formatting web pages. Python is a general purpose scripting language which can be used to develop a wide range of programs.
Answer:
The first automatic digital computer has been designed by the English mathematician and inventor Charles Babbage. Babbage developed the Analytical Engine Plans for the mid-1830s.
Explanation:
- Babbage has developed the concept of a digital, programmable computer and was a mathematician, philosopher, inventor, and mechanical engineer.
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Some regard Babbage as a "computer father"
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The inventing of its first mechanical computer, the difference engine, is attributable to Babbage, which eventually resulted in more complex electronic designs, although Babbage's Analytical Engine is the main source of ideas for modern computers. He was described as the "prime" among the numerous polymaths of his century by his varied work in another field.
