age=23
if age<18:
    print("you are not eligible")
else:
    print("you are eligible")


marks=50
if marks<20:
    print("Fail")
elif 20<=marks<=30:
    print("B")
elif 31<=marks<=40:
    print("B+")
elif 41<=marks<=50:
        print("A")
elif 51<=marks<=60:
    print("A+")
elif marks>60:
    print("O")
gender=male
if gender=female
    print(male only can eligible)
else gender=male
    print(eligible)