assignment_3.3.py

score = float(input("Enter Score: "))
if score >= 0.9 and score <=1.0:
    print("A")
elif score >= 0.8 and score <= 0.9:
    print("B")
elif score >= 0.7 and score <= 0.8:
    print("C")
elif score >= 0.6 and score <= 0.7:
    print("D")
elif score < 0.6:
    print("F")
else:
    print("Please Enter Score betweeen 0.0 and 1.0")