Question

Please use Python

Write a program that will accept a stream of integers from the user, until the user inputs the same integer twice. At this point, the program should print out REPEAT!!.

Answer 1

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numbers= set()

while True:
x= int(input())
flag=0
for y in numbers:
if y==x:
print("REPEAT")
flag=1
if flag==1:
break
numbers.add(x)