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python - If语句语法错误: invalid syntax?

转载 作者:太空宇宙 更新时间:2023-11-04 10:11:18 24 4
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<分区>

我正在尝试运行一个简单的程序,但我似乎无法克服这个语法错误。

try:
grade = float(raw_input("Enter a score between 0.0 and 1.0:\n"))
if grade < 0 or grade > 1
print ("That is not between 0.0 or 1.0")
elif grade >= .9
print ("A")
elif grade >= .8 and grade < .9
print ("B")
elif grade >= .7 and grade < .8
print ("C")
elif grade >= .6 and grade < .7
print ("D")
else grade < .6
print ("F")

except:
print ("Enter a numeric value!")

我得到的错误是第 3 行,if grade < 0 or grade > 1: SyntaxError: invalid syntax.

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