# %%
from regex import B
from sympy import N
import Code2
print("Lee called")
def foo():
global a
a = 200 #全局作用域
b = 100 #嵌套作用域
def bar():
nonlocal b
global c
b = 200
c = 200
bar()
print(b)
if __name__ == '__main__':
a = 100
c = 100
foo()
print(a, c)