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 The main goal of the program is to generate the result of the beta_reduction of a lambda term given as an input and to show the images of the alligator's families that represents the lambda term and the different steps of it's beta_reduction. It also allows us to see how logical, boolean and arithmetic expressions are written in lambda calculus.
 
 ## Table of contents
- [ The structures. ] (#structures)
- [ What to install. ] (#needs)
- [ How to install. ] (#installations)
- [ Utilisation. ] (#utilisation)
- [ parsing syntax. ] (#allow)
- [ Documentation. ] (#Docu)
- [ Contribution. ] (#cont)
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+
+<!-- TOC -->autoauto- [Alligators-python](#alligators-python)auto    - [About the project](#about-the-project)auto    - [Table of contents](#table-of-contents)auto    - [The structures <a name="structures"></a>](#the-structures-a-namestructuresa)auto    - [What to install <a name="needs"></a>](#what-to-install-a-nameneedsa)auto    - [Integrate with your tools](#integrate-with-your-tools)auto    - [Collaborate with your team](#collaborate-with-your-team)auto    - [Test and Deploy](#test-and-deploy)auto- [Editing this README](#editing-this-readme)auto    - [Suggestions for a good README](#suggestions-for-a-good-readme)auto    - [Name](#name)auto    - [Description](#description)auto    - [Badges](#badges)auto    - [Visuals](#visuals)auto    - [Installation](#installation)auto    - [Usage](#usage)auto    - [Support](#support)auto    - [Roadmap](#roadmap)auto    - [Contributing](#contributing)auto    - [Authors and acknowledgment](#authors-and-acknowledgment)auto    - [License](#license)auto    - [Project status](#project-status)autoauto<!-- /TOC -->
 
 ## The structures <a name="structures"></a>