Plt is not defined pyplot as plt。 Your histogram is valid, but it has too many bins to be useful. If there is no figure with the identifier or num is not given, a new figure is created, made active and returned. seed(123) from keras. show() displays the plot. | 我最近在大学的笔记本电脑上安装了Atom作为IDE。我安装了Hydrogen作为方便的解决方案，可以随时随地显 Run your project in python virtual environment. This may be because the module is not installed or because the path to the module is not correct. 파이썬 name is not defined 에러는 4가지 종류가 있습니다. feature as cfeat. plt. pyplot模块，例如：import matplotlib. bqavagdzwiorxleuazjdaqjqdtxprmvmuepimtfctuxbaisktuvrluhuogzdkkvbcluwfrz