Я не понимая raw_input

Question

loop_flag = 1 
while loop_flag == 1: 
    choice = raw_input("Enter 'quit' to Exit the loop: ") 
    if choice == 'quit': 
    loop_flag = 1 
    else: 
     print ("Keep Going") 

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У меня возникли проблемы с этим raw_input Послание

Traceback (most recent call last): 
File "C:\Users\Exemm\Downloads\TNCC\ITN_260_Network_security_basics\Week 6         02.13 – 02.19\Lab 1 - Copy (4)\ts.py", line 4, in <module> 
    choice = raw_input ("Enter 'quit' to Exit the loop: ") 
    *NameError: name 'raw_input' is not defined** 

Answer 1

loop_flag = 1 
while loop_flag == 1: 
    choice = raw_input("Enter ‘quit’ to Exit the Loop: ") 
    if choice == "quit": 
     loop_flag = 0 
    else: 
     print "Keep Going"