题目内容
a = "123", b = "456"，则a + b的值是______; a = 12, b = 54,则a + b的值是______.
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a = 123, b = 2,则a*b的值是______;a = "123", b = 2,则a*b的值是______.
str1 = "abc",str2 = "aBcde,则str1 > str2的值是______；str1 = "你好，武汉", 则 "好" not in str1 的值是______.
String = "abcdefghij",则：String[2:8] = ______String[:7] = ______String[2:] = ______String[2:9:2] = ______String[5:2:-1] = ______String[-1:-8:-1] = ______String[-5:-1:1] = ______
按照保险条款的性质不同,可将保险条款分为( )。
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