Jupyter Notebookでプログレスバーを表示して進捗を確認する方法 ref: https://qiita.com/mix_dvd/items/e613c2714c7ea0e81be9

file0.py

from IPython.html.widgets import FloatProgress
from IPython.display import display
from time import sleep

fp = FloatProgress(min=0, max=100)
display(fp)

for i in xrange(100):
    sleep(0.1)
    fp.value = i

file1.py

from IPython.html.widgets import FloatProgress
from IPython.display import display
from time import sleep

fp = FloatProgress(min=0, max=100)
display(fp)

for i in range(100):
    sleep(0.1)
    fp.value = i

file2.txt

ShimWarning: The `IPython.html` package has been deprecated. You should import from `notebook` instead. `IPython.html.widgets` has moved to `ipywidgets`.
  "`IPython.html.widgets` has moved to `ipywidgets`.", ShimWarning)

file3.py

from ipywidgets import FloatProgress
from IPython.display import display
from time import sleep

fp = FloatProgress(min=0, max=100)
display(fp)

for i in range(100):
    sleep(0.1)
    fp.value = i