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You run pip install scipy but get an error saying 'command not found'. What is the most likely cause?

medium📝 Debug Q14 of 15
SciPy - Basics and Scientific Computing
You run pip install scipy but get an error saying 'command not found'. What is the most likely cause?
APython is not installed on your system
BSciPy is already installed
CYou need to use <code>python -m pip install scipy</code> instead
DYou typed the command correctly; it's a network error
Step-by-Step Solution
Solution:

  1. Step 1: Understand 'command not found' error

    This error means the system does not recognize the 'pip' command directly.

  2. Step 2: Use Python module to run pip

    Running python -m pip install scipy uses Python to run pip, avoiding command path issues.

  3. Final Answer:

    You need to use python -m pip install scipy instead -> Option C

  4. Quick Check:

    Use python -m pip if pip command fails [OK]
Quick Trick: Use 'python -m pip install' if 'pip' command fails [OK]
Common Mistakes:
MISTAKES
  • Assuming Python is not installed without checking
  • Ignoring the error and retrying same command
  • Thinking SciPy is installed when error is about pip

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