a name is what we call something while a value is a definition

we need to know the difference in our everyday life because it's in everyday language.

circle_area.py

@@ -4,3 +4,8 @@
 
 print("This program will calculate the area of a circle.")
 radius = float(input("What is the circle's radius? "))
+
+area = 3.141592653*radius*radius
+
+print(area
+)

greetings.py

@@ -2,6 +2,6 @@
 # ------------
 # By MWC contributors
 
-my_name ="Chris"
+my_name ="Jacob"
 greeting = "Hello, " + my_name
 print(greeting)