python基础练习题:比较字符串的字符串【难度：1级】--景越Python编程实例训练营,不同难度Python习题，适合自学Python的新手进阶

python基础练习题:比较字符串的字符串【难度:1级】:

通过比较两个字符串的值(ASCII字符代码)来比较两个字符串.

• 用于比较将所有字母视为UpperCase
  *null / NULL / Nil / None应该被视为空字符串
• 如果字符串包含除字母以外的其他字符,则将整个字符串视为空

如果字符串相等,你的方法应返回true,如果它们不相等,则返回false.

例子:

 JS
"AD","BC" - >相等
"AD","DD" - >不相等
"gf","FG" - >相等
"zz1","" - >相等(两者都被认为是空的)
"ZzZz","ffPFF" - >相等
"kl","lz" - >不相等
null,"" - >相等

编程目标:

def compare(s1,s2):
    #your code here

测试样例:

Test.assert_equals(compare("AD", "BC"), True, "\'AD\' vs \'BC\'")
Test.assert_equals(compare("AD", "DD"), False, "\'AD\' vs \'DD\'")
Test.assert_equals(compare("gf", "FG"), True, "\'gf\' vs \'FG\'")
Test.assert_equals(compare("Ad", "DD"), False, "\'Ad\' vs \'DD\'")
Test.assert_equals(compare("zz1", ""), True, "\'zz1\' vs \'\'")
Test.assert_equals(compare("ZzZz", "ffPFF"), True, "\'ZzZz\' vs \'ffPFF\'")
Test.assert_equals(compare("kl", "lz"), False, "\'kl\' vs \'lz\'")
Test.assert_equals(compare(None, ""), True, "\'\' vs \'\'")
Test.assert_equals(compare("!!", "7476"), True, "\'!!\' vs \'7476\'")

最佳答案(多种解法):

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