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21 lines
448 B
Python
21 lines
448 B
Python
my_string = "Hello, World!"
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out_of_range = False
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# 测试索引超出字符串长度的情况
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try:
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my_string[len(my_string)] == ""
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except:
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print("1.IndexError: 索引超出字符串长度")
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out_of_range = True
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assert out_of_range
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# 测试切片超出字符串长度的情况
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b = my_string[0:100]
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print(b)
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# 测试使用负数索引访问字符串的情况
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assert my_string[-1] == "!"
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assert my_string[-5:-1] == "orld"
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print("PASS")
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