Usage
1.Download the chat. Head on to the required chat on Whatsapp app. Click the three dots in top right corner, export chat, without media. Unfortunately, this feature is unavailable in Whatsapp Web.
2.Rename contacts as you would want in the plot.
3.python plot_chat.py filename. Generates plot as such. Script also outputs number of messages per person. An anonymised version is made available as chat.txt. You can also view media upload distribution. Unavailable in anonymized version for privacy.