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题目:Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters... 阅读全文
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python print格式化输出。1. 打印字符串print ("His name is %s"%("Aviad"))效果:2.打印整数print ("He is %d years old"%(25))效果:3.打印浮点数print ("His height is %f m"%(1.83))效果:... 阅读全文
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在Python中使用help帮助>>> import numpy>>> help(numpy.argsort)Help on function argsort in module numpy.core.fromnumeric:argsort(a, axis=-1, kind='quicksort',... 阅读全文