运算符优先级
expr++ expr--unary++expr --expr +expr -expr ~ !multiplicative* / %additive+ -shift<< >> >>>relational< > <= >= instanceofequality== !=bitwise AND&bitwise exclusive OR^bitwise inclusive OR|logical AND&&logical OR||ternary? :assignment= += -= *= /= %= &= ^= |= <<= >>= >>>=::Scope resolutionLeft-to-right++ --Suffix/postfix increment and decrement()Function call[]Array subscripting.Element selection by reference−>Element selection through pointer++ --Prefix increment and decrementRight-to-left+ −Unary plus and minus! ~Logical NOT and bitwise NOT(type)Type cast*Indirection (dereference)&Address-ofsizeofSize-ofnew, new[]Dynamic memory allocationdelete, delete[]Dynamic memory deallocation.* ->*Pointer to memberLeft-to-right* / %Multiplication, division, and remainder+ −Addition and subtraction<< >>Bitwise left shift and right shift< <=For relational operators < and ≤ respectively> >=For relational operators > and ≥ respectively== !=For relational = and ≠ respectively&Bitwise AND^Bitwise XOR (exclusive or)|Bitwise OR (inclusive or)&&Logical AND||Logical OR?:Ternary conditionalRight-to-Left=Direct assignment (provided by default for C++ classes)+= −=Assignment by sum and difference*= /= %=Assignment by product, quotient, and remainder<<= >>=Assignment by bitwise left shift and right shift&= ^= |=Assignment by bitwise AND, XOR, and ORthrowThrow operator (for exceptions),CommaLeft-to-right++ --Suffix/postfix increment and decrementLeft-to-right()Function call[]Array subscripting.Structure and union member access−>Structure and union member access through pointer(type){list}Compound literal(C99)++ --Prefix increment and decrementRight-to-left+ −Unary plus and minus! ~Logical NOT and bitwise NOT(type)Type cast*Indirection (dereference)&Address-ofsizeofSize-of_AlignofAlignment requirement(C11)* / %Multiplication, division, and remainderLeft-to-right+ −Addition and subtraction<< >>Bitwise left shift and right shift< <=For relational operators < and ≤ respectively> >=For relational operators > and ≥ respectively== !=For relational = and ≠ respectively&Bitwise AND^Bitwise XOR (exclusive or)|Bitwise OR (inclusive or)&&Logical AND||Logical OR?:Ternary conditionalRight-to-Left=Simple assignment+= −=Assignment by sum and difference*= /= %=Assignment by product, quotient, and remainder<<= >>=Assignment by bitwise left shift and right shift&= ^= |=Assignment by bitwise AND, XOR, and OR,CommaLeft-to-rightclone newclone 和 new左[array()非结合++ --递增／递减运算符非结合~ - (int) (float) (string) (array) (object) (bool) @类型非结合instanceof类型右结合!逻辑操作符左* / %算术运算符左+ - .算术运算符 和 字符串运算符左<< >>位运算符非结合< <= > >= <>比较运算符非结合== != === !==比较运算符左&位运算符 和 引用左^位运算符左|位运算符左&&逻辑运算符左||逻辑运算符左? :三元运算符右= += -= *= /= .= %= &= |= ^= <<= >>=赋值运算符左and逻辑运算符左xor逻辑运算符左or逻辑运算符左,多处用到这个表给出Python的运算符优先级（从低到高）.
从最低的优先级（最松散地结合）到最高的优先级（最紧密地结合）。
这意味着在一个表达式中，Python会首先计算表中较下面的运算符，然后在计算列在表上部的运算符。
lambdaLambda表达式or布尔“或”and布尔“与”not x布尔“非”in，not in成员测试is，is not同一性测试<，<=，>，>=，!=，==比较|按位或^按位异或&按位与<<，>>移位+，-加法与减法*，/，%乘法、除法与取余+x，-x正负号~x按位翻转**指数x.attribute属性参考x[index]下标x[index:index]寻址段f(arguments...)函数调用(experession,...)绑定或元组显示[expression,...]列表显示{key:datum,...}字典显示'expression,...'字符串转换声明：本站所有文章资源内容，如无特殊说明或标注，均为采集网络资源。如若本站内容侵犯了原著者的合法权益，可联系本站删除。
