python3 / 和//的区别

本文详细解析了Python中两种除法运算符的使用,包括标准除法运算符(/)和整数除法运算符(//)的区别。通过具体实例展示了如何进行浮点数除法和整数除法,并解释了它们在计算过程中的不同表现。

/为除法运算符,结果为浮点数;

//则是计算与相除结果最接近的整数(向下取整)

举例:

2/4  输出0.5;2//4 输出0;

4/2输出2.0;4//2输出2;

-9/2输出-4.5;-9//2输出-5

# 查看 PyQt5 安装路径 dpkg -L python3-pyqt5 | grep PyQt5 Python 3.12.3 /usr/lib/python3/dist-packages/PyQt5 /usr/lib/python3/dist-packages/PyQt5/Qt.abi3.so /usr/lib/python3/dist-packages/PyQt5/QtCore.abi3.so /usr/lib/python3/dist-packages/PyQt5/QtCore.pyi /usr/lib/python3/dist-packages/PyQt5/QtDBus.abi3.so /usr/lib/python3/dist-packages/PyQt5/QtDBus.pyi /usr/lib/python3/dist-packages/PyQt5/QtDesigner.abi3.so /usr/lib/python3/dist-packages/PyQt5/QtDesigner.pyi /usr/lib/python3/dist-packages/PyQt5/QtGui.abi3.so /usr/lib/python3/dist-packages/PyQt5/QtGui.pyi /usr/lib/python3/dist-packages/PyQt5/QtHelp.abi3.so /usr/lib/python3/dist-packages/PyQt5/QtHelp.pyi /usr/lib/python3/dist-packages/PyQt5/QtNetwork.abi3.so /usr/lib/python3/dist-packages/PyQt5/QtNetwork.pyi /usr/lib/python3/dist-packages/PyQt5/QtPrintSupport.abi3.so /usr/lib/python3/dist-packages/PyQt5/QtPrintSupport.pyi /usr/lib/python3/dist-packages/PyQt5/QtTest.abi3.so /usr/lib/python3/dist-packages/PyQt5/QtTest.pyi /usr/lib/python3/dist-packages/PyQt5/QtWidgets.abi3.so /usr/lib/python3/dist-packages/PyQt5/QtWidgets.pyi /usr/lib/python3/dist-packages/PyQt5/QtXml.abi3.so /usr/lib/python3/dist-packages/PyQt5/QtXml.pyi /usr/lib/python3/dist-packages/PyQt5/__init__.py /usr/lib/python3/dist-packages/PyQt5/py.typed /usr/lib/python3/dist-packages/PyQt5/sip.pyi /usr/lib/python3/dist-packages/PyQt5/uic /usr/lib/python3/dist-packages/PyQt5/uic/Compiler /usr/lib/python3/dist-packages/PyQt5/uic/Compiler/__init__.py /usr/lib/python3/dist-packages/PyQt5/uic/Compiler/compiler.py /usr/lib/python3/dist-packages/PyQt5/uic/Compiler/indenter.py /usr/lib/python3/dist-packages/PyQt5/uic/Compiler/misc.py /usr/lib/python3/dist-packages/PyQt5/uic/Compiler/proxy_metaclass.py /usr/lib/python3/dist-packages/PyQt5/uic/Compiler/qobjectcreator.py /usr/lib/python3/dist-packages/PyQt5/uic/Compiler/qtproxies.py /usr/lib/python3/dist-packages/PyQt5/uic/Loader /usr/lib/python3/dist-packages/PyQt5/uic/Loader/__init__.py /usr/lib/python3/dist-packages/PyQt5/uic/Loader/loader.py /usr/lib/python3/dist-packages/PyQt5/uic/Loader/qobjectcreator.py /usr/lib/python3/dist-packages/PyQt5/uic/__init__.py /usr/lib/python3/dist-packages/PyQt5/uic/driver.py /usr/lib/python3/dist-packages/PyQt5/uic/exceptions.py /usr/lib/python3/dist-packages/PyQt5/uic/icon_cache.py /usr/lib/python3/dist-packages/PyQt5/uic/objcreator.py /usr/lib/python3/dist-packages/PyQt5/uic/port_v3 /usr/lib/python3/dist-packages/PyQt5/uic/port_v3/__init__.py /usr/lib/python3/dist-packages/PyQt5/uic/port_v3/as_string.py /usr/lib/python3/dist-packages/PyQt5/uic/port_v3/ascii_upper.py /usr/lib/python3/dist-packages/PyQt5/uic/port_v3/proxy_base.py /usr/lib/python3/dist-packages/PyQt5/uic/port_v3/string_io.py /usr/lib/python3/dist-packages/PyQt5/uic/properties.py /usr/lib/python3/dist-packages/PyQt5/uic/pyuic.py /usr/lib/python3/dist-packages/PyQt5/uic/uiparser.py /usr/lib/python3/dist-packages/PyQt5/uic/widget-plugins /usr/lib/python3/dist-packages/PyQt5/uic/widget-plugins/qaxcontainer.py /usr/lib/python3/dist-packages/PyQt5/uic/widget-plugins/qscintilla.py /usr/lib/python3/dist-packages/PyQt5/uic/widget-plugins/qtcharts.py /usr/lib/python3/dist-packages/PyQt5/uic/widget-plugins/qtprintsupport.py /usr/lib/python3/dist-packages/PyQt5/uic/widget-plugins/qtquickwidgets.py /usr/lib/python3/dist-packages/PyQt5/uic/widget-plugins/qtwebenginewidgets.py /usr/lib/python3/dist-packages/PyQt5/uic/widget-plugins/qtwebkit.py /usr/lib/python3/dist-packages/PyQt5-5.15.10.dist-info /usr/lib/python3/dist-packages/PyQt5-5.15.10.dist-info/INSTALLER /usr/lib/python3/dist-packages/PyQt5-5.15.10.dist-info/METADATA user0601@LAPTOP-99GE7DPK:~$
最新发布
09-25
评论
成就一亿技术人!
拼手气红包6.0元
还能输入1000个字符
 
红包 添加红包
表情包 插入表情
 条评论被折叠 查看
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值