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Problem Solving (Basic) Get Certified Python (Basic) Get Certified Stand out from the crowd Take the HackerRank Certification Test and make your profile stand out View all certifications Prepare By Topics Algorithms Data Structures Mathematics
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https://www.hackerrank.com/challenges/python-lists/problem近期阅读了一些深度学习在文本分类中的应用...
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Python If-Else Task Given an integer, n, perform the following conditional actions: If n is odd, print Weird If n is even and in the inclusive range of 2 to 5 , print Not Weird If n is even and in the inclusive range of 6 to 20 , print Weird If n is even and greater than ...
Constraints Output Format Complete the method definitions provided in the editor so they meet the specifications outlined above; the code to test your work is already in the editor. If your methods are implemented correctly, each test case will print2 or3 lines (depending on whether or not a ...
26 Validating Roman Numerals import re test = 'CDXXI' pattern = r'^M{0,3}(CD|CM|D?C{0,3})(XL|XC|L?X{0,3})(IV|IX|V?I{0,3})$' print(re.match(pattern,test)) <_sre.SRE_Match object; span=(0, 5), match='CDXXI'> 分解^M{0,4}(CM|CD|D?C{0,3})(XC|XL|L?X{...
方法一 用 for 循环依次打印出 n = 3 for i in range(1,n+1): print(i,end='') Output:123 方法二 用 print 内置函数的参数 n=3 print(*range(1, n+1), sep='') Output:123 知识点 print(*objects, sep=' ', end='\n', file=sys.stdout, flush=False) objects -- object 复数形式,...