loading_bar.py

import time

bar = 50 #length of bar in characters
loading = '0%'.ljust(bar) + '100%' 
print(loading) 
print('[', end="")

i = 0
def load(percent):
  #percent is decimal between 0 and 1 inclusive
  #load(1) indicates that the process is done
  #loading less than the amount already loaded does nothing
  global i
  while(i<percent*bar):
    print('=', end="")
    i+=1
    time.sleep(.05)
  if(i==bar):
    print("]")
  return
      
x = 0 #test amount loaded
while(x<=1):
  load(x) #example of usage
  time.sleep(.25) #delay to show loading intervals
  x+=.1 #load every ten percent just to show