1、变量

• 推荐
  • 驼峰体：AgeOfOldboy = 73
  • 下划线：age_of_oldboy = 73

# 变量的小高级：
age1 = 18
age2 = age1
age3 = age2
age2 = 12

print(age1,age2,age3)
18 12 18

Process finished with exit code 0
#********************************************************************************************************
# 变量的小高级：
age1 = 18
age2 = 12
age2 = age1
age3 = age2

print(age1,age2,age3)
18 18 18

Process finished with exit code 0

解析：首先从上到下执行，