无
*注意事项：
str1 = “key”
Str2 = “board”
Print(str1+str2)
s = 95
if s >= 60:
print(“及格”)
else:
print(“不及格”)
a = 15
b = a + 50
i = 5
sum = 0
while i <= 10:
sum = sum + i
i = i + 1
print(sum)
程序输出值是：。
a = int(input())
b = int(input())
if :
c = a * a
c =
print(c)
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