In Python, the official Python provides a number of extensible packages to enhance Python's functionality.
Because of the use of Excel read and write function, you need to install XLRD package, the installation steps
1. First download the appropriate package from the official Python library: Https://pypi.python.org/pypi
2. Download the package is a few installation files, direct installation is good, there is a compressed file need to use the following steps to install
3. After extracting the downloaded files, drag the entire folder directly to the Tools directory of the Python installation directory: The machine is: C:\Python34\Tools
4. Then open the command line tool cmd into the Python environment, enter: Python setup.py install: This module can be installed
5. In Python environment, enter: Import xlrd: Look no error, no error, the installation is successful
Python module installation