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python
a month ago
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#defining the function for checking the blue number conditions 
def blueChecker(number):
    try:
        number = int(number)
        if 100<number<400 and number%2 ==1:
            return True
        else:
            print("Error: This is not a blue integer. Try again!!!")
            return False
    #except block throws an error and returns false which prints the
    #error message in the While loop
    except ValueError:
        print("Error: This is not an integer. Try again!!!")
        return False
        
#while loop for first int and checks the int in the checker function
while True:
    num1 = input("Enter the 1st blue integer: ")
    if blueChecker(num1):
        print()
        break

#same while loop for second int
while True:
    num2 = input("Enter the 2nd blue integer: ")
    if blueChecker(num2):
        print()
        break

#finally printing the equation       
print("Display equation:")
print("{0} + {1} = {2}".format(num1, num2, int(num1) + int(num2)))
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