题解 | 函数求差
def call(x,y):
return x-y
x=int(input())
y=int(input())
print(call(x,y))
temp=x
x=y
y=temp
print(call(x,y))
def call(x,y):
return x-y
x=int(input())
y=int(input())
print(call(x,y))
temp=x
x=y
y=temp
print(call(x,y))
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