dockerfile.run

pydoc3

interactive high-level object-oriented language (default python3 version)

Debian

RUN apt-get update && \
    apt-get install -y python3

Ubuntu

RUN apt-get update && \
    apt-get install -y python3

Alpine

RUN apk add python

Arch Linux

RUN pacman -S --noconfirm python

Kali Linux

RUN apt-get update && \
    apt-get install -y python3

CentOS

RUN yum install -y python

Fedora

RUN dnf install -y python3

Raspbian

RUN apt-get update && \
    apt-get install -y python3

click the source code to copy install pydoc3 on any operating system with command-not-found.com