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Python 括号层数限制(SyntaxError: too many nested parentheses) 代码 n = 201 s = '(' * n + ')' * n print(eval(s)) 错误信息 Traceback (most recent call last): File " 阅读全文
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细说 PEP 468: Preserving Keyword Argument Order Python 3.6.0 版本对字典做了优化,新的字典速度更快,占用内存更少,非常神奇。从网上找了资料来看,大部分都指向了 "[Python Dev] More compact dictionaries wi 阅读全文
摘要:
A Coroutines Coroutines are computer program components that generalize subroutines for non preemptive multitasking, by allowing execution to be suspe 阅读全文