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Sys.maxsize > 2**32
- The sys.maxsize > 2**32 expression returns True if the Python interpreter runs as 64-bit and False if it runs as 32-bit. This is the approach that the documentation recommends. The sys.maxsize attribute returns an integer that is usually 2**31 - 1 on a 32-bit platform and 2**63 - 1 on a 64-bit platform.
bobbyhadz.com/blog/python-check-if-32-or-64-bit
Open the cmd termial and start python interpreter by typing >python as shown in the below image. If the interpreter info at start contains AMD64, it's 64-bit, otherwise, 32-bit bit.
Apr 16, 2015 · In particular, on some OS X multi-architecture builds, the same executable file may be capable of running in either mode, as the example below demonstrates. The quickest safe multi-platform approach is to test sys.maxsize on Python 2.6, 2.7, Python 3.x. $ arch -i386 /usr/local/bin/python2.7.
You can also run the below python script to check if python is 32 or 64-bit version. # First import struct module. >>> import struct >>> # Return 64 means 64-bit version, return 32 means 32-bit version. >>> version = struct.calcsize("P")*8 >>> >>> print(version) 64
You can determine whether your Python interpreter is running in 32-bit or 64-bit mode by checking the value of the sys.maxsize attribute. In a 64-bit Python interpreter, sys.maxsize will be a large positive number, while in a 32-bit Python interpreter, it will be a smaller positive number. Here's how to check it:
Apr 9, 2024 · Use the python -c "import sys; print(sys.maxsize > 2**32)" command to check if Python is running as 32-bit or 64-bit. The command will return True if Python is running in 64-bit and False if it's running in 32-bit.
Oct 26, 2022 · The following Python script can be used to determine whether the Python shell is executing in 32bit or 64bit mode. The code was compiled successfully and it gave the result. Method 1: Using Platform Packages
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Nov 6, 2019 · Check if Python interpreter is 32 or 64 bit. 32-bit Python binaries can run on 64-bit OS. To precisely detect if the operating system is 64-bit or 32-bit, check if Python itself is 32-bit to avoid falsely detecting a 64-bit OS as 32 bit. This check is just for the Python interpreter.