After the 10/28 lecture

bigos/lecture20251028/function1/milesPerGallon04a.py

@@ -0,0 +1,32 @@
+#!/usr/bin/python3
+import sys
+
+# Program: milesPerGallon01.py
+# Objective: Calculate the milage for a vehicle using the fill-up data.
+# Revisions
+#           Check for division by zero error
+# Edward Bigos
+
+
+def getFloatValue(message):
+    try:
+        fValue = float(input(message + ": "))
+    except ValueError as error:
+        print("Error: ", error)
+        print("You have entered an invalid value. The input must be a number.")
+        sys.exit(-1)
+    return fValue
+
+
+miles = getFloatValue("Enter a number of miles traveled: ")
+gallons = getFloatValue("Enter the number of gallons on the last fill-up: ")
+
+try:
+    milesPerGallon = miles/gallons
+except ZeroDivisionError as error:
+    print("Error: ",error)
+    print("You have entered an invalid value for the gallons. The input must greater than zero.")
+    sys.exit(-1)
+
+
+print(f"The miles per gallon is {milesPerGallon:.1f}")

bigos/lecture20251028/function1/rectangle-area06-function.py

@@ -0,0 +1,26 @@
+#!/usr/bin/python3
+import sys
+
+# Program: rectangle-area06.py
+# Objective: Calculate the area of a rectangle. Check for numeric error on length.
+# Revisions
+#           Specify the type of the error as ValueError and print the error type.
+#           Added same to width.
+#           Moved input code to function
+# Edward Bigos
+
+def getFloatValue(message):
+    try:
+        fValue = float(input(message + ": "))
+    except ValueError as error:
+        print("Error: ",error)
+        print("You have entered an invalid value. The input must be a number.")
+        sys.exit(-1)
+    return fValue
+
+length = getFloatValue("Enter a value for length")
+width  = getFloatValue("Enter a value for width ")
+
+area = length * width
+
+print(f"The area of the rectangle is {area:.1f}")

bigos/lecture20251028/function1/rectangle-area06.py

@@ -1,8 +1,8 @@
 #!/usr/bin/python3
 import sys
 
-# Program: milesPerGallon04.py
+# Program: rectangle-area06.py
-# Objective: Calculate the milage at fill-up.
+# Objective: Calculate the area of a rectangle. Check for numeric error on length.
 # Revisions
 #           Specify the type of the error as ValueError and print the error type.
 #           Added same to width.

bigos/lecture20251028/function1/rectangle-volume2.py

@@ -0,0 +1,29 @@
+#!/usr/bin/python3
+import sys
+
+# Program: rectangle-volume.py
+# Objective: Calculate the volume of a rectanglar solid. Check for numeric error on length.
+# Revisions
+#           Specify the type of the error as ValueError and print the error type.
+#           Added same to width.
+# Edward Bigos
+
+
+def getFloatValue(message):
+    try:
+        fValue = float(input(message + " "))
+    except ValueError as error:
+        print("Error: ",error)
+        print("You have entered an invalid value. The input must be a number.")
+        sys.exit(-1)
+    return fValue
+
+
+length = getFloatValue("Enter a value for length   ")
+width  =  getFloatValue("Enter a value for width   ")
+height =  getFloatValue("Enter a value for height  ")
+
+
+area = length * width * height
+
+print(f"The volume of the rectanglar solid is {area:.1f}")

bigos/lecture20251028/list01/milesPerGallon04.py

@@ -28,6 +28,7 @@ def getFloatValue(message):
     return fValue
 
 for fillup in fillupList:
+#    print("This fillup data ",fillup)
     miles = fillup[0]
     gallons = fillup[1]
 

bigos/lecture20251028/list01/milesPerGallon05.py

@@ -0,0 +1,37 @@
+#!/usr/bin/python3
+import sys
+
+# Program: milesPerGallon04.py
+# Objective: Calculate the milage for a vehicle using the fill-up data.
+# Revisions
+#           Check for division by zero error
+# Edward Bigos
+
+fillupList = [[200,10],[400,19], [190,9.8],[290,18],[300,16]]
+
+def calculateMilesPerGallon(miles,gallons):
+    try:
+        milesPerGallon = miles / gallons
+    except ZeroDivisionError as error:
+        print("Error: ", error)
+        print("You have entered an invalid value for the gallons. The input must greater than zero.")
+        sys.exit(-1)
+    return milesPerGallon
+
+def getFloatValue(message):
+    try:
+        fValue = float(input(message + ": "))
+    except ValueError as error:
+        print("Error: ", error)
+        print("You have entered an invalid value. The input must be a number.")
+        sys.exit(-1)
+    return fValue
+
+for fillup in fillupList:
+#    print("This fillup data ",fillup)
+    miles = fillup[0]
+    gallons = fillup[1]
+
+    milesPerGallon = calculateMilesPerGallon(miles,gallons)
+    print(f"Miles = {miles}, Gallons = {gallons}")
+    print(f"The miles per gallon is {milesPerGallon:.1f}\n")

bigos/lecture20251028/list01/milesPerGallon06.py

@@ -0,0 +1,39 @@
+#!/usr/bin/python3
+import sys
+
+# Program: milesPerGallon04.py
+# Objective: Calculate the milage for a vehicle using the fill-up data.
+# Revisions
+#           Check for division by zero error
+# Edward Bigos
+
+fillupList = [[200,10],[400,19], [190,9.8],[290,18],[300,16]]
+
+def calculateMilesPerGallon(miles,gallons):
+    try:
+        milesPerGallon = miles / gallons
+    except ZeroDivisionError as error:
+        print("Error: ", error)
+        print("You have entered an invalid value for the gallons. The input must greater than zero.")
+        sys.exit(-1)
+    return milesPerGallon
+
+def getFloatValue(message):
+    try:
+        fValue = float(input(message + ": "))
+    except ValueError as error:
+        print("Error: ", error)
+        print("You have entered an invalid value. The input must be a number.")
+        sys.exit(-1)
+    return fValue
+
+print("")
+print("       Miles Gallons Miles/Gallon")
+
+for fillup in fillupList:
+#    print("This fillup data ",fillup)
+    miles = fillup[0]
+    gallons = fillup[1]
+
+    milesPerGallon = calculateMilesPerGallon(miles,gallons)
+    print(f"{miles:10} {gallons:6} {milesPerGallon:10.1f}")

bigos/lecture20251028/try1/milesPerGallon01.py

@@ -22,6 +22,11 @@ except ValueError as error:
     print("You have entered an invalid value. The input must be a number.")
     sys.exit(-1)
 
-milesPerGallon = miles/gallons
+try:
+    milesPerGallon = miles/gallons
+except ZeroDivisionError as error:
+    print("Error: ", error)
+    print("The number of gallons must be greater than zero.")
+    sys.exit(-2)
 
 print(f"The miles per gallon is {milesPerGallon:.1f}")

bigos/lecture20251028/try1/rectangle-area01.py

@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 
-# Program: reactangle-area01.py
+# Program: rectangle-area01.py
 # Objective: Calculate the area of a rectangle. No error checking.
 # Edward Bigos
 

bigos/lecture20251028/try1/rectangle-area02.py

@@ -1,7 +1,7 @@
 #!/usr/bin/python3
 import sys
 
-# Program: reactangle-area02.py
+# Program: rectangle-area02.py
 # Objective: Calculate the area of a rectangle. Check for numeric error on length.
 #           No error checking on width yet.
 # Edward Bigos

bigos/lecture20251028/try1/rectangle-area03.py

@@ -1,10 +1,10 @@
 #!/usr/bin/python3
 import sys
 
-# Program: reactangle-area03.py
+# Program: rectangle-area03.py
 # Objective: Calculate the area of a rectangle. Check for numeric error on length.
 #           Specify the type of the error as ValueError
-#           No error checking on width yet.
+#           Added error checking for width.
 # Edward Bigos
 
 try:
@@ -13,8 +13,12 @@ except ValueError:
     print("You have entered an invalid value. The input must be a number.")
     sys.exit(-1)
 
-width = input("Enter a value for width ")
+try:
-width = float(width)
+    width = input("Enter a value for width ")
+    width = float(width)
+except ValueError:
+    print("You have entered an invalid value. The input must be a number.")
+    sys.exit(-1)
 
 area = length * width
 

bigos/lecture20251028/try1/rectangle-area04.py

@@ -1,10 +1,10 @@
 #!/usr/bin/python3
 import sys
 
-# Program: reactangle-area04.py
+# Program: rectangle-area04.py
 # Objective: Calculate the area of a rectangle. Check for numeric error on length.
 #           Specify the type of the error as ValueError and print the error type.
-#           No error checking on width yet.
+#           Added error checking for width.
 # Edward Bigos
 
 try:
@@ -14,8 +14,12 @@ except ValueError as error:
     print("You have entered an invalid value. The input must be a number.")
     sys.exit(-1)
 
-width = input("Enter a value for width ")
+try:
-width = float(width)
+    width = float(input("Enter a value for width "))
+except ValueError:
+    print("You have entered an invalid value. The input must be a number.")
+    sys.exit(-1)
+
 
 area = length * width
 

bigos/lecture20251028/try1/rectangle-area05.py

@@ -1,7 +1,7 @@
 #!/usr/bin/python3
 import sys
 
-# Program: reactangle-area05.py
+# Program: rectangle-area05.py
 # Objective: Calculate the area of a rectangle. Check for numeric error on length.
 # Revisions
 #           Specify the type of the error as ValueError and print the error type.

bigos/lecture20251028/try1/rectangle-volume.py

@@ -0,0 +1,36 @@
+#!/usr/bin/python3
+import sys
+
+# Program: rectangle-volume.py
+# Objective: Calculate the volume of a rectanglar solid. Check for numeric error on length.
+# Revisions
+#           Specify the type of the error as ValueError and print the error type.
+#           Added same to width.
+# Edward Bigos
+
+try:
+    length = float(input("Enter a value for length "))
+except ValueError as error:
+    print("Error: ",error)
+    print("You have entered an invalid value. The input must be a number.")
+    sys.exit(-1)
+
+try:
+    width = input("Enter a value for width ")
+    width = float(width)
+except ValueError as error:
+    print("Error: ",error)
+    print("You have entered an invalid value. The input must be a number.")
+    sys.exit(-1)
+
+try:
+    height = input("Enter a value for height ")
+    height = float(height)
+except ValueError as error:
+    print("Error: ",error)
+    print("You have entered an invalid value. The input must be a number.")
+    sys.exit(-1)
+
+area = length * width * height
+
+print(f"The volume of the rectanglar solid is {area:.1f}")

bigos/lecture20251028/try2/rectangle-area07.py

@@ -1,7 +1,7 @@
 #!/usr/bin/python3
 import sys
 
-# Program: reactangle-area06.py
+# Program: Based on rectangle-area06a.py
 # Objective: Calculate the area of a rectangle. Check for numeric error on length.
 # Revisions
 #           Specify the type of the error as ValueError and print the error type.