コンソール画面でプログレスバー的な表示をする

import time

# 目盛りの数.
FULL_SCALE = 50

# ウェイト時間.
MSEC_WAIT = 0.03

num_total = 300
counter = 0

#--------------------------------------------------
for n in range( num_total ):
    time.sleep( MSEC_WAIT )
    counter += 1
    rate = counter / num_total
    tmp = int( rate * FULL_SCALE )
    
    #----------------------------------------------
    s0 = ""
    for n in range( tmp ):
        s0 += "="
    #----------------------------------------------
    s1 = ""
    for n in range( tmp, FULL_SCALE ):
        s1 += "-"
    #----------------------------------------------
    
    percent = int( rate * 100 )
    print( "\r[{0}{1}] {2}%".format( s0, s1, percent ), end = "" )

#--------------------------------------------------

print( "" )
print( "finish." )

[=============-------------------------------------] 25%

[=========================-------------------------] 50%

[======================================------------] 75%

[==================================================] 100%
finish.