小编Sam*_*uel的帖子

每当我运行我创建的评分程序时，它都能正常工作，但文本“无”一直显示，我不知道为什么。这是代码：

Grade_in=input(print("Enter Your Grade (Only Upper Case):"))
if (Grade_in=='A+') :
    print ("Numeric Grade is 4")
elif (Grade_in=='A'):
    print("Numeric Grade is 4")
elif (Grade_in=='A-'):
    print("Numeric Grade is 4.3")
elif (Grade_in=='B+'):
    print ("Numeric Grade is 3.3")
elif (Grade_in=='B'):
    print ("Numeric Grade is 3")
elif (Grade_in=='B-'):
    print ("Numeric Grade is 2.7")
elif (Grade_in=='C+'):
    print ("Numeric Grade is 2.3")
elif (Grade_in=='C'):
    print ("Numeric Grade is 2")
elif (Grade_in=='C-'):
    print ("Numeric Grade is 1.7")
elif (Grade_in=='D+'):
    print ("Numeric Grade is 1.3")
elif (Grade_in=='D'):
    print ("Numeric …