Added a variable pi and circle_area to calculate the area of a circle with an inputted radius.

.envrc

@@ -0,0 +1 @@
+source .venv/bin/activate

circle_area.py

@@ -4,3 +4,7 @@
 
 print("This program will calculate the area of a circle.")
 radius = float(input("What is the circle's radius? "))
+
+pi = 3.141592653
+circle_area = pi * radius * radius
+print(circle_area)

greetings.py

@@ -2,6 +2,6 @@
 # ------------
 # By MWC contributors
 
-my_name ="Chris"
+my_name =input("What is your name? ")
 greeting = "Hello, " + my_name
 print(greeting)

poetry.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Poetry 2.3.1 and should not be changed by hand.
+package = []
+
+[metadata]
+lock-version = "2.1"
+python-versions = ">=3.10,<4.0"
+content-hash = "7b8fc01b274bd807fb00372bbc8e138330f15ae7978ed61e180f3b17ec076725"