请编辑以下文本并将所有句子首字母大写并创建一个列表。
"this is a sample text. it should be edited using python code. the final output should be a list of all capital letters at the beginning of each sentence."
- This is a sample text.
- It should be edited using Python code.
- The final output should be a list of all capital letters at the beginning of each sentence.