input: Write a function to install the specified software using a Bash script. The function should take the software version as an input and return the Bash script as an output.
  assert install_software("Python 3.8.5")=='#!/bin/bash\n\n# Download latest version of Python\ncurl -O https://www.python.org/ftp/python/3.8.5/Python-3.8.5.tgz\n\n# Extract the tgz file\ntar -xzf Python-3.8.5.tgz\n\n# Move into the Python directory\ncd Python-3.8.5\n\n# Run the configure script\n./configure\n\n# Compile and install\nmake\nmake install'
  assert install_software("Python 3.9.0")=='#!/bin/bash\n\n# Download latest version of Python\ncurl -O https://www.python.org/ftp/python/3.9.0/Python-3.9.0.tgz\n\n# Extract the tgz file\ntar -xzf Python-3.9.0.tgz\n\n# Move into the Python directory\ncd Python-3.9.0\n\n# Run the configure script\n./configure\n\n# Compile and install\nmake\nmake install'
  assert install_software("")==''
  assert install_software("Java 11")==''
output: def install_software(version):
      if not version.startswith("Python "):
          return ""
      version_number = version.split(" ")[1]
      return f'''#!/bin/bash
  
  # Download latest version of Python
  curl -O https://www.python.org/ftp/python/{version_number}/Python-{version_number}.tgz
  
  # Extract the tgz file
  tar -xzf Python-{version_number}.tgz
  
  # Move into the Python directory
  cd Python-{version_number}
  
  # Run the configure script
  ./configure
  
  # Compile and install
  make
  make install'''