python“名称错误：名称'a'未定义”

Question

I dont kow why I keep getting this issue of "Name Error: Name 'a' is not defined"

def addition():

 a = input("Enter your first number: ")

b = input("Enter secondary number: ")

c = int(a) + int (b)

print(a," + ",b," = ",c," . ")

Answer 1

I don't know how you've indented it, but I've got it to work like this...

def addition():

   a = int(input("Enter your first number: "))
   b = int(input("Enter secondary number: "))
   c = a + b
   print(a," + ",b," = ",c," . ")

addition()