python涓紝a=10.0 b=10.0 a is b 涓轰粈涔堣緭鍑烘槸false，,鏍囩锛?a hre

python涓紝a=10.0 b=10.0 a is b 涓轰粈涔堣緭鍑烘槸false，,鏍囩锛?a hre

鏍囩锛?a href='http://www.byrx.net/so/1/ble' title='ble'>ble

>>>a=10.0>>>b=10.0>>>a is bFalse涓轰粈涔堝綋a=10锛宐=10鏃讹紝a is b杈撳嚭鐨勬槸True鍛紵

>>>a=10.0

>>>b=10.0
>>>a is b
False

涓轰粈涔堝綋a=10锛宐=10鏃讹紝a is b 杈撳嚭鐨勬槸True鍛紵

a is b

姣旇緝鐨勬槸鍙橀噺a涓庡彉閲廱鐨勫唴瀛樺湴鍧€鏄惁鐩稿悓锛屽嵆

id(a)==id(b)

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id(a)绛変簬id(b)璇存槑鍙橀噺a鍜屽彉閲廱鎸囧悜鐨勬槸鍚屼竴涓唴瀛樼┖闂淬€?/span>

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a=10
printid(a)
a=a+1
printid(a)#id(a)鐨勫€间細鍙嶇敓鍙樺寲

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a=1000
b=1000
id(a)==id(b)
aisb

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python涓紝a=10.0 b=10.0 a is b 涓轰粈涔堣緭鍑烘槸false

鏍囩锛?a href='http://www.byrx.net/so/1/ble' title='ble'>ble

鍘熸枃鍦板潃锛歨ttps://www.cnblogs.com/lmh001/p/9858909.html