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### Disabled options - TeX (Based on KaTeX); - Emoji; - Task lists; ### Code ```python from yaml import safe_load with open(filename, 'r') as f: vars_string = f.read() base_vars = safe_load(vars_string) ``` ### Images ![python虚拟环境](https://img.alicdn.com/imgextra/i4/795737861/O1CN01jUO6TG27wO7guDQ4r_!!795737861.png "python虚拟环境")