如何更改/设置这个局部变量变成一个全球性

Question

def SelectedCarFunction(event=None): 
    a = Var2.get() 
    b = Var3.get() 
    c = Var4.get() 
    if Model == "a" and Colour == "b" and Wheels == "c": 
     VarSC = (Three_Series[0]) 
     print(VarSC) 

当我从功能打印VarSC它给了我的价值我想

VarSC = StringVar() 

print(VarSC) 

但是，当我打印功能外，内我的代码，它打印“PY_VAR9”

Answer 1

您应该从函数中返回VarSC的值并将其打印到外部。

def SelectedCarFunction(event=None): 
    a = Var2.get() 
    b = Var3.get() 
    c = Var4.get() 
    if Model == "a" and Colour == "b" and Wheels == "c": 
     VarSC = (Three_Series[0]) 
     return VarSC 

print(SelectedCarFunction())