As in the title, in the python console in PyCharm, the prompter is changed from >>> to In[2].
I do not understand what changed it, and how to get back to >>>.

As in the title, in the python console in PyCharm, the prompter is changed from >>> to In[2].
I do not understand what changed it, and how to get back to >>>.

You have IPython installed. It changes the prompt. Either uninstall it or disable Preferences | Build, Execution, Deployment | Console | Use IPython if available in PyCharm.