moved restautant rating to Wk10

Author: Mark Charlton

Assessment/Wk10/alphabetic.jpg

@@ -0,0 +1,84 @@
+# Calculate a restaurant rating 
+
+# define
+REDON = "\033[31m" #	Red text.
+ORANGEON = "\033[38;2;255;165;0m"
+YELLOWON = "\033[38;2;255;255;0m"
+GREENON = "\033[32m" # 	Green text.
+COLOUROFF = "\033[0m"	#Reset special formatting (such as colour).
+
+# Custom Errors
+class OutOfRange( ValueError ):
+    pass
+
+class OutOfRangeLow (OutOfRange):
+    pass
+
+class OutOfRangeHigh (OutOfRange):
+    pass
+
+def average(lst):
+    return sum(lst) / len(lst)
+
+def percentage(numitems, ttlitems):
+    return (numitems / ttlitems) * 100
+
+def get_colour(i_val):
+    if i_val < 1.5:
+        s_colour = REDON
+    elif i_val < 3:
+        s_colour = ORANGEON
+    elif i_val < 4: 
+        s_colour = YELLOWON
+    else:
+        s_colour = GREENON
+    return s_colour
+
+l_votes=[[], 0, 0, 0, 0, 0]
+
+# get input
+while True:
+    try:
+        s_val = input ("Please enter your rating [1 (lowest) - 5 (highest)] (-1 to exit) :")
+        i_val = int( s_val )
+
+        if i_val == -1:
+            break
+        elif i_val < 1:
+            raise OutOfRangeLow
+        elif i_val > 5:
+            raise OutOfRangeHigh
+        else:
+            l_votes[0].append(i_val)
+            l_votes[i_val] += 1
+            
+    except OutOfRange as err:
+        if isinstance(err,OutOfRangeLow):
+            print ("If you think the rating is that low, please contact the Councils Public health or Trading standards as appropriate.")
+            print ("1 is the lowest you can record here, please try again.")
+        elif isinstance(err,OutOfRangeHigh):
+            print ("We're happy you think the restaurant is that good.")
+            print ("Please contact the restaurant and let them know.")
+            print ("5 is the highest you can record here, please try again.")
+        i_val=""
+    except ValueError as err:
+        print (f'Invalid value entered [{s_val}], please ensure you enter an integer between 1 and 5')
+        i_val=""
+
+if (len(l_votes[0]) == 0):
+    print ( "No ratings were entered :(")
+else:
+    i_votes=len(l_votes[0])
+    if i_votes == 1:
+        print (f"There was only {i_votes} rating entered")
+    else:
+        print (f"There were {i_votes} ratings entered")
+        
+    for i in range (1, 6):
+        s_colour=get_colour(i)
+        print (f"{s_colour}{'*' * i:>6}{COLOUROFF}: {l_votes[i]:>4}  [{percentage(l_votes[i],i_votes):6.2f}%]")
+    
+    i_avg=average(l_votes[0])
+    s_colour=get_colour(i_avg)
+        
+    print( f'The overall rating is {s_colour} {i_avg:.1f} {COLOUROFF}')