create theatre.py

Author: mcwebtree

Assessment/Wk2/helpers.py

@@ -39,3 +39,23 @@ def get_float(input_prompt, min_val=float(0.01), max_val=float(100.00)):
         print ( f"Invalid '{input_prompt}' value entered '{get_val}'" ) 
     finally:
         return return_value
+
+## function to get an Y/N with error checking
+def get_y_n ( input_prompt ):
+    return_value=""
+    var_val = "Z" 
+
+    try:
+        while not ( var_val == "Y" or var_val == "N" ) :
+            var_val=input(input_prompt + f" (Y/N) ").upper()
+            
+            ## exit if select 0
+            if  var_val=='': 
+                break
+        
+        return_value=var_val
+    except:
+        print ( f"Invalid '{input_prompt}' value entered '" + var_val + "'" ) 
+    finally:
+        return return_value
+

Assessment/Wk4/theatre.py

@@ -0,0 +1,127 @@
+# calculate ticket costs for theatre bookings
+
+# helpers
+
+## function to get an integer with error checking
+def get_int(input_prompt, min_val=int(1), max_val=int(100)):
+    return_value=int(0)
+    int_val=int(-1)
+
+    try:
+        while not ((int_val >= min_val and int_val <= max_val)) :
+            get_val=input(input_prompt + f" (Min: {str(min_val)} Max: {str(max_val)} Exit: 0)")
+            int_val=int(get_val)
+
+            ## exit if select 0
+            if  int_val==0: 
+                break
+        
+        return_value=int_val
+    except:
+        print ( f"Invalid '{input_prompt}' value entered '" + get_val + "'" ) 
+    finally:
+        return return_value
+
+## function to get an Y/N with error checking
+def get_y_n ( input_prompt ):
+    return_value=""
+    var_val = "Z" 
+
+    try:
+        while not ( var_val == "Y" or var_val == "N" ) :
+            var_val=input(input_prompt + f" (Y/N) ").upper()
+            
+            ## exit if select 0
+            if  var_val=='': 
+                break
+        
+        return_value=var_val
+    except:
+        print ( f"Invalid '{input_prompt}' value entered '" + var_val + "'" ) 
+    finally:
+        return return_value
+
+
+
+# inits
+costs = { 'Adult' : 10.50 , 'Child' : 7.30 , 'Conc' : 8.40 }
+num_kids_for_free_adult = 10
+
+discount = { 'minimum_spend': float(100.00), 'discount' : int(10) }
+
+the_p_n_p_cost = float(2.34)
+
+# welcome
+print ( 'Thank you for shopping at TicketMistress' )
+print ( '=' * 40 )
+
+# get values 
+num_in_party = get_int( "Please enter the number of tickets required: " , 1 , 150 )
+num_adults = get_int( "How many full price adults? " , 1 , num_in_party)
+num_conc = get_int( "How many concessions? ", 0, (num_in_party - num_adults))
+is_collection = get_y_n( "Will you be collecting the tickets? " )
+
+# calcs
+num_kids=num_in_party-num_adults-num_conc
+num_free_adults= int( num_kids / num_kids_for_free_adult )
+
+# can't give away more seats than you've got! 
+if num_free_adults > num_adults: num_free_adults=num_adults
+
+# calc how many are paying
+num_paying_adults=num_adults-num_free_adults
+
+ticket_values={"Adult": 0, "Conc": 0 , "Child": 0}
+ticket_values["Adult"] = num_paying_adults * costs["Adult"]
+ticket_values["Conc"] = num_conc * costs["Conc"]
+ticket_values["Child"] = num_kids * costs["Child"]
+
+ttl_bill_pre_discount = ( ticket_values["Adult"] ) + \
+                        ( ticket_values["Conc"] ) + \
+                        ( ticket_values["Child"] )
+
+# calculate discount
+discount_percentage = 0
+bill_discount = 0
+if ttl_bill_pre_discount > discount["minimum_spend"] : 
+    discount_percentage=discount["discount"]
+    bill_discount = ttl_bill_pre_discount * ( discount_percentage / 100 )
+
+# calculate delivery
+
+if is_collection == "Y" :
+    p_n_p_cost=0
+else :
+    p_n_p_cost=the_p_n_p_cost
+
+bill_total=ttl_bill_pre_discount - bill_discount + p_n_p_cost
+
+# output bill 
+print ( )
+print ( "The Sandford Paladium")
+print ( "*" * 21 )
+print ()
+
+print ( f'{num_in_party} Tickets for Snakes! The Musical' )
+print ( '-' * 35 )
+if is_collection == "Y" :
+    print ( "*" * 9, "   COLLECTION  ", "*" * 9 )
+    print ( '-' * 35 )
+print ( f'{num_adults:3} {"Adult":12} ' )
+if num_paying_adults > 0 : print ( ' ' * 12 , f'{num_paying_adults:3} @ £{costs["Adult"]:5.2f} = £{ ticket_values["Adult"]:7.2f} ')
+if num_free_adults > 0 : print ( ' ' * 12 , f'{num_free_adults:3} @ £{0:5.2f} = £{0:7.2f} ')
+if num_conc > 0 : print ( f'{num_conc:3} {"Concession":12} @ £{costs["Conc"]:5.2f} = £{ ticket_values["Conc"]:7.2f} ')
+if num_kids > 0 : print ( f'{num_kids:3} {"Child":12} @ £{costs["Child"]:5.2f} = £{ ticket_values["Child"]:7.2f} ')
+print ( ' ' * 27, '=' * 8 )
+
+if discount_percentage > 0 :
+    print ( ' ' * 9 , f'{"Sub Total":17} £{ttl_bill_pre_discount:7.2f}' )
+    print ( ' ' * 9 , f'{"Discount":17} £{bill_discount:7.2f}' )
+    print ( ' ' * 27, '-' * 8 )
+    
+if p_n_p_cost > 0 :
+    print ( ' ' * 9 , f'{"Postage":17} £{p_n_p_cost:7.2f}' )
+    print ( ' ' * 27, '-' * 8 )
+    
+print ( ' ' * 9 , f'{"Total":17} £{bill_total:7.2f}' )
+print ( ' ' * 27, '=' * 8 )