Jupyter notebook guided-Project

screen link: https://app.dataquest.io/m/146/guided-project%3A-visualizing-earnings-based-on-college-majors/3/pandas-histograms
Hi, I am working on guided-project on my jupyter notebook, but jupyter is displaying histogram plot unusually. That is, when jupyter displays line plot or scatter plot, the range is unusually displayed :for example,

Above I have marked the picture. that is the problem. How can I correct it?
Thank you in advance!

Hi @ilhomjon656798: Please attach your notebook to better allow us to troubleshoot your code

it has been solved.
anyway, thank you too