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This article introduces the knowledge of "what are the five programming problems that every web programmer must solve". In the operation of actual cases, many people will encounter such a dilemma. Next, let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Every time I post the job requirements of a software engineer, all kinds of job applications will come one after another. But what often puzzles me is that there are always a few candidates who don't understand the meaning of "programming" at all.

Question 1

Use the for loop, the while loop, and recursively write three functions to calculate the sum of a given sequence.

Question 2

Write a function that interlace and merge list elements. For example, the given two lists are [ameme Breco C] and [1pm 2pr 3], and the function returns [arecine 1meme Breco 2pm Cp3].

Question 3

Write a function to calculate the top 100 Fibonacci numbers. By definition, the first two digits of the Fibonacci sequence are 0 and 1, and each subsequent number is the sum of the first two digits. For example, the top 10 Fibonacci numbers are: 0, 1, 1, 2, 3, 5, 5, 8, 13, 13, 34.

Question 4

Write a function that arranges the numbers in a given list of non-negative integers into * numbers. For example, given [50pr 2pm 1p 9], the * number is 95021.

Ps: click here to read my solution.

Question 5

Write one in 1RO 2, … 9 (the order cannot be changed) insert + or-or nothing between numbers, so that the result of the calculation is always 100 of the program, and output all possibilities. For example: 1 + 2 + 34-5 + 67-8 + 9 = 100.

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