Refactor temperature conversion program for improved user experience …

…and code readability

TempConversion.py

@@ -1,29 +1,30 @@
-# Temperature Conversion Program
-
 def menu():
-	print("\n1. Celsius to Fahrenheit")
-	print("2. Fahrenheit to Celsius")
-	print("3. Exit")
-	choice = int(input("Enter a choice: "))
-	return choice
-
-def toCelsius(f):
-	return int((f - 32) / 1.8)
+    print("\n1. Celsius to Fahrenheit")
+    print("2. Fahrenheit to Celsius")
+    print("3. Exit")
+    choice = input("Enter a choice: ").strip()  # Added .strip() to remove leading/trailing whitespace
+    return choice
+
+def to_celsius(f):
+    return (f - 32) / 1.8  # Removed unnecessary conversion to int
+
+def to_fahrenheit(c):
+    return c * 1.8 + 32  # Removed unnecessary conversion to int
 
-def toFahrenheit(c):
-	return int(c * 1.8 + 32)
-
 def main():
-	choice = menu()
-	while choice != 3:
-		if choice == 1:
-			c = eval(input("Enter degrees Celsius: "))
-			print(str(c) + "C = " + str(toFahrenheit(c)) + "F")
-		elif choice == 2:
-			f = eval(input("Enter degrees Fahrenheit: "))
-			print(str(f) + "F = " + str(toCelsius(f)) + "C")
-		else:
-			print("Invalid choice.")
-		choice = menu()
-
-main()
+    choice = menu()
+    while choice != '3':  # Changed 3 to '3' to compare with string
+        if choice == '1':
+            c = float(input("Enter degrees Celsius: "))  # Changed eval to float for safer input parsing
+            fahrenheit = to_fahrenheit(c)
+            print(f"{c}C = {fahrenheit}F")  # Using f-strings for cleaner output formatting
+        elif choice == '2':
+            f = float(input("Enter degrees Fahrenheit: "))  # Changed eval to float for safer input parsing
+            celsius = to_celsius(f)
+            print(f"{f}F = {celsius}C")  # Using f-strings for cleaner output formatting
+        else:
+            print("Invalid choice.")
+        choice = menu()
+
+if __name__ == "__main__":  # Added guard to ensure main() runs only if the script is executed directly
+    main()