Added documantion and information to the programs

rectangular-solid01.py

@@ -0,0 +1,17 @@
+# Program rectanglar-solid.py
+
+startUpMessage = '''
+This program calculates the volume of a rectangular solid. 
+
+'''
+
+print(startUpMessage)
+
+length = float(input("Enter a value for the length "))
+width =  float(input("Enter a value for the width  "))
+height = float(input("Enter a value for the height "))
+
+volumeOfRectangle = length * width * height
+
+print(f"Volume = {volumeOfRectangle:.1f}")
+print("\n")