code
num = 4 if num > 0: print("正数") elif num == 0: print("零") else: print("负数") # 内嵌 if 语句 if num >= 0: if num == 0: print("零") else: print("正数") else: print("负数")
python if语句
原文：https://www.cnblogs.com/sea-stream/p/12822048.html
