Overwrite previous output in jupyter notebook

Question

Let\'s assume I have a part of code that runs for some specific amount of time and each 1 second outputs something like this: iteration X, score Y. I will subst

Answer 1

@cel is right: ipython notebook clear cell output in code

Using the clear_output() gives makes your Notebook have the jitters, though. I recommend using the display() function as well, like this (Python 2.7):

from random import uniform
import time
from IPython.display import display, clear_output

def black_box():
i = 1
while True:
    clear_output(wait=True)
    display('Iteration '+str(i)+' Score: '+str(uniform(0, 1)))
    time.sleep(1)
    i += 1