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  1. Is there a difference between scipy.pi, numpy.pi, or math.pi?

    Sep 28, 2012 · All other things being equal, I would use math.pi simply because it is in the standard library if the module doesn't depend on numpy or scipy otherwise -- But as you say, …

  2. python - ImportError: No module named 'board' (AdaFruit

    Nov 7, 2018 · I run the setup from this website to get my arduino to use AdaFruit LEDs. And also run: sudo pip3 install adafruit-circuitpython-neopixel I then made this python code: import …

  3. python - No module named serial - Stack Overflow

    I had multiple Python versions installed. Like in Raspberry Pi there was Python3.5 installed and I installed also 3.9.2 without uninstalling 3.5. Then I installed pyserial with pip and tried my …

  4. python - Error: cannot import name 'pi' - Stack Overflow

    Jun 13, 2016 · >>> from math import pi >>> pi 3.141592653589793 Check whether you have another module named math by typing pip freeze in terminal, or check if you have a python file …

  5. python - Print pi to a number of decimal places - Stack Overflow

    Mar 6, 2019 · from import for in 1 # +1 for decimal point But this still limits n to be less than the len(str(math.pi)), less than 15 in Python 2. Given a serious n, it breaks:

  6. Using PI in python 2.7 - Stack Overflow

    Jan 8, 2016 · I am trying to access the value of pi in Python 2.7, but it seems as if Python doesn't recognize math.pi. I am using IDLE, and when I try to print the value of math.pi, it says that …

  7. Python on RasPi can't find installed module - Stack Overflow

    Feb 28, 2021 · pi@raspberrypi:~/Desktop $ sudo python3 FTPserver2.py Traceback (most recent call last): File "FTPserver2.py", line 1, in <module> import pyftpdlib ModuleNotFoundError: No …

  8. python - ImportError: No module named PIL - Stack Overflow

    from PIL import Image "Pillow is a fork of PIL, the Python Imaging Library, which is no longer maintained. However, to maintain backwards compatibility, the old module name is used." …

  9. raspberry pi - python 3.7 import smbus ModuleNotFoundError no …

    Sep 8, 2018 · I successfully built python 3.7 on my raspberry pi zero. now when I run my program using: python3 DungeonCube.py I get the following error: import smbus ModuleFoundError: …

  10. 1000 digits of pi in Python - Stack Overflow

    try: # import version included with old SymPy from sympy.mpmath import mp except ImportError: # import newer version from mpmath import mp mp.dps = 1000 # set number of digits …