title: convert dictionary into xls file using python openpyxl library
body: <p>Below is my dictionary &amp; I want to write the key-value pair of dictionary into excel sheet in two columns named <code>key</code> &amp; <code>hourly</code>.</p>
  
  <pre><code>'One year reserved'= {
          'Australia Central 2': 0.0097,
          'East US 2': 0.00605,
          'North Central US': 0.00605,
          'South Africa West': 0.01016,
          'UK West': 0.00685,
          'France South': 0.01119,
          'Korea': 0.00639,
          'Canada East': 0.00685,
          'US Gov Virginia': 0.00879,
          'East Asia': 0.0097,
          'South India': 0.01005,
          'South Central US': 0.00731,
          'West US': 0.00719,
          'Australia East': 0.00776,
          'Canada Central': 0.00674,
          'Australia Southeast': 0.00776,
          'Southeast Asia': 0.00776,
          'Central US': 0.00731,
          'West India': 0.00833,
          'East US': 0.00605,
          'Australia Central': 0.0097,
          'UK South': 0.00685,
          'Japan East': 0.00799,
          'Japan West': 0.00879,
          'West Europe': 0.00696,
          'Brazil South': 0.00982,
          'Korea Central': 0.00799,
          'US Gov Texas': 0.00879,
          'US Gov Arizona': 0.00879,
          'Central India': 0.00833,
          'North Europe': 0.00822,
          'West Central US': 0.00731,
          'France Central': 0.00856,
          'South Africa North': 0.00811,
          'West US 2': 0.00605
        }
  </code></pre>
  
  <p>convert dictionary into xls file using python openpyxl library.
  output should be like this:-</p>
  
  <pre><code>**Key**                   **Hourly**
  Australia Central 2        0.008
  East US 2                  0.00605
  North Central US           0.00605
  </code></pre>