<p><strong>Avec openpyxl</strong> (recommandé pour .xlsx) :</p>
<pre data-code-wrap="python"><code class="lang-python">from openpyxl import Workbook
wb = Workbook()
ws = wb.active
ws['A1'] = 'Bonjour'
ws.append([1, 2, 3])
wb.save('fichier.xlsx')
</code></pre>
<p><strong>Avec pandas</strong> :</p>
<pre data-code-wrap="python"><code class="lang-python">import pandas as pd
df = pd.DataFrame({'Nom': ['Alice', 'Bob'], 'Age': [25, 30]})
df.to_excel('fichier.xlsx', index=False)
</code></pre>
<p><strong>Avec xlsxwriter</strong> :</p>
<pre data-code-wrap="python"><code class="lang-python">import xlsxwriter
wb = xlsxwriter.Workbook('fichier.xlsx')
ws = wb.add_worksheet()
ws.write('A1', 'Bonjour')
wb.close()
</code></pre>