plt.plot 함수

import matplotlib.pyplot as plt Try to type sudo apt-get install python-matplotlib in a terminal. In your message you typed it in ipython console. This is a bash command, not a python one. You need to quit ipython before. For that use Ctrl + D

어떤걸 설치해야하나요?

리눅스환경에서 pip 설치후 텐서플로우 설치했습니다. 파이썬은 깔려있어서 잘 됐고요. 감사합니다.