diff --git a/.gitignore b/.gitignore
index 0417715d..c771340a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -160,4 +160,311 @@ cython_debug/
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
-lectures
\ No newline at end of file
+lectures
+
+## Core latex/pdflatex auxiliary files:
+*.aux
+*.lof
+*.log
+*.lot
+*.fls
+*.out
+*.toc
+*.fmt
+*.fot
+*.cb
+*.cb2
+.*.lb
+
+## Intermediate documents:
+*.dvi
+*.xdv
+*-converted-to.*
+# these rules might exclude image files for figures etc.
+# *.ps
+# *.eps
+# *.pdf
+
+## Generated if empty string is given at "Please type another file name for output:"
+.pdf
+
+## Bibliography auxiliary files (bibtex/biblatex/biber):
+*.bbl
+*.bcf
+*.blg
+*-blx.aux
+*-blx.bib
+*.run.xml
+
+## Build tool auxiliary files:
+*.fdb_latexmk
+*.synctex
+*.synctex(busy)
+*.synctex.gz
+*.synctex.gz(busy)
+*.pdfsync
+*.rubbercache
+rubber.cache
+
+## Build tool directories for auxiliary files
+# latexrun
+latex.out/
+
+## Auxiliary and intermediate files from other packages:
+# algorithms
+*.alg
+*.loa
+
+# achemso
+acs-*.bib
+
+# amsthm
+*.thm
+
+# beamer
+*.nav
+*.pre
+*.snm
+*.vrb
+
+# changes
+*.soc
+
+# comment
+*.cut
+
+# cprotect
+*.cpt
+
+# elsarticle (documentclass of Elsevier journals)
+*.spl
+
+# endnotes
+*.ent
+
+# fixme
+*.lox
+
+# feynmf/feynmp
+*.mf
+*.mp
+*.t[1-9]
+*.t[1-9][0-9]
+*.tfm
+
+#(r)(e)ledmac/(r)(e)ledpar
+*.end
+*.?end
+*.[1-9]
+*.[1-9][0-9]
+*.[1-9][0-9][0-9]
+*.[1-9]R
+*.[1-9][0-9]R
+*.[1-9][0-9][0-9]R
+*.eledsec[1-9]
+*.eledsec[1-9]R
+*.eledsec[1-9][0-9]
+*.eledsec[1-9][0-9]R
+*.eledsec[1-9][0-9][0-9]
+*.eledsec[1-9][0-9][0-9]R
+
+# glossaries
+*.acn
+*.acr
+*.glg
+*.glo
+*.gls
+*.glsdefs
+*.lzo
+*.lzs
+*.slg
+*.slo
+*.sls
+
+# uncomment this for glossaries-extra (will ignore makeindex's style files!)
+# *.ist
+
+# gnuplot
+*.gnuplot
+*.table
+
+# gnuplottex
+*-gnuplottex-*
+
+# gregoriotex
+*.gaux
+*.glog
+*.gtex
+
+# htlatex
+*.4ct
+*.4tc
+*.idv
+*.lg
+*.trc
+*.xref
+
+# hypdoc
+*.hd
+
+# hyperref
+*.brf
+
+# knitr
+*-concordance.tex
+# TODO Uncomment the next line if you use knitr and want to ignore its generated tikz files
+# *.tikz
+*-tikzDictionary
+
+# listings
+*.lol
+
+# luatexja-ruby
+*.ltjruby
+
+# makeidx
+*.idx
+*.ilg
+*.ind
+
+# minitoc
+*.maf
+*.mlf
+*.mlt
+*.mtc[0-9]*
+*.slf[0-9]*
+*.slt[0-9]*
+*.stc[0-9]*
+
+# minted
+_minted*
+*.pyg
+
+# morewrites
+*.mw
+
+# newpax
+*.newpax
+
+# nomencl
+*.nlg
+*.nlo
+*.nls
+
+# pax
+*.pax
+
+# pdfpcnotes
+*.pdfpc
+
+# sagetex
+*.sagetex.sage
+*.sagetex.py
+*.sagetex.scmd
+
+# scrwfile
+*.wrt
+
+# svg
+svg-inkscape/
+
+# sympy
+*.sout
+*.sympy
+sympy-plots-for-*.tex/
+
+# pdfcomment
+*.upa
+*.upb
+
+# pythontex
+*.pytxcode
+pythontex-files-*/
+
+# tcolorbox
+*.listing
+
+# thmtools
+*.loe
+
+# TikZ & PGF
+*.dpth
+*.md5
+*.auxlock
+
+# titletoc
+*.ptc
+
+# todonotes
+*.tdo
+
+# vhistory
+*.hst
+*.ver
+
+# easy-todo
+*.lod
+
+# xcolor
+*.xcp
+
+# xmpincl
+*.xmpi
+
+# xindy
+*.xdy
+
+# xypic precompiled matrices and outlines
+*.xyc
+*.xyd
+
+# endfloat
+*.ttt
+*.fff
+
+# Latexian
+TSWLatexianTemp*
+
+## Editors:
+# WinEdt
+*.bak
+*.sav
+
+# Texpad
+.texpadtmp
+
+# LyX
+*.lyx~
+
+# Kile
+*.backup
+
+# gummi
+.*.swp
+
+# KBibTeX
+*~[0-9]*
+
+# TeXnicCenter
+*.tps
+
+# auto folder when using emacs and auctex
+./auto/*
+*.el
+
+# expex forward references with \gathertags
+*-tags.tex
+
+# standalone packages
+*.sta
+
+# Makeindex log files
+*.lpz
+
+# xwatermark package
+*.xwm
+
+# REVTeX puts footnotes in the bibliography by default, unless the nofootinbib
+# option is specified. Footnotes are the stored in a file with suffix Notes.bib.
+# Uncomment the next line to have this generated file ignored.
+#*Notes.bib
\ No newline at end of file
diff --git a/main.py b/main.py
deleted file mode 100644
index e7c3feec..00000000
--- a/main.py
+++ /dev/null
@@ -1,16 +0,0 @@
-import metadrive
-
-# Initialize the MetaDrive environment
-env = metadrive.MetaDriveEnv()
-
-# Reset the environment to start a new episode
-env.reset()
-
-# Run the environment for a few steps
-for _ in range(10):
-    env.step(env.action_space.sample())  # Take random actions
-
-print("Hello, MetaDrive World!")  # Print a greeting
-
-# Close the environment after use
-env.close()
diff --git a/report/report.tex b/report/report.tex
new file mode 100644
index 00000000..fffed033
--- /dev/null
+++ b/report/report.tex
@@ -0,0 +1,5 @@
+\documentclass[12pt]{article}
+\begin{document}
+Hello world!
+$Hello world!$ %math mode 
+\end{document}
\ No newline at end of file
diff --git a/script/main.py b/script/main.py
new file mode 100644
index 00000000..195653d3
--- /dev/null
+++ b/script/main.py
@@ -0,0 +1,50 @@
+import ray
+from ray import tune
+from ray.rllib.agents.ppo import PPOTrainer
+from metadrive import MultiAgentTIntersectionEnv
+import random
+
+# Initialize Ray
+ray.init(ignore_reinit_error=True)
+
+# Define a custom environment class that switches between three maps
+class MultiMapEnv(MultiAgentTIntersectionEnv):
+    def __init__(self, config):
+        # Define available maps
+        self.maps = ["TIntersection", "Roundabout", "Straight"]
+        super().__init__(config)
+
+    def reset(self):
+        # Randomly choose a map from the available ones at the start of each episode
+        self.config["map"] = random.choice(self.maps)
+        return super().reset()
+
+# Multi-agent configuration with two independent policies
+config = {
+    "env": MultiMapEnv,
+    "env_config": {
+        "num_agents": 2,           # Set to 2 agents for this multi-agent scenario
+    },
+    "framework": "torch",          # Use PyTorch as the backend
+    "num_workers": 1,              # Set to 1 worker for simplicity
+    "multiagent": {
+        "policies": {
+            "policy_1": {},  # Configuration for the first agent's policy
+            "policy_2": {},  # Configuration for the second agent's policy
+        },
+        "policy_mapping_fn": lambda agent_id: "policy_1" if agent_id == "agent_1" else "policy_2",
+    },
+}
+
+# Initialize the trainer with PPO algorithm
+trainer = PPOTrainer(env=MultiMapEnv, config=config)
+
+# Training loop
+print("Starting training for two agents across multiple maps...")
+for i in range(10):  # Number of training iterations
+    result = trainer.train()
+    print(f"Iteration {i + 1}: reward = {result['episode_reward_mean']}")
+
+# Clean up resources
+trainer.cleanup()
+ray.shutdown()
diff --git a/requirements.txt b/script/requirements.txt
similarity index 100%
rename from requirements.txt
rename to script/requirements.txt