为了便快捷的写出代码，今天我们学习了如何使用if-else来优化程序。下面试试，便用if-else来简化以下的代码

Question

a=-3
if a>0:
print("this numher is greater than0")
if a<0:
print("this number is less than or equol to 0")

Answer 1

a = -3
if a > 0:
    print("this number is greater than 0")
else:
    print("this number is less than or equal to 0")