student_heights = open("more_heights.csv", "r")
output = open("HELLO.csv", "w")
output_T = open("tall.csv", "w") 

Tallest = 0

for height in student_heights:
        height1 = float(height)
        if height1 >= 200:
                output.write(height + "\n")
        if height1 > Tallest:
                Tallest = height1
print(Tallest)
output_T.write(str(Tallest))                 

output_T.close()
student_heights.close()
output.close()