Statistics

Statistics

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+
+def least_sold(sales):
+
+    freq = {} 
+
+    for sale in sales: 
+        id_ = sale['id_']
+        freq[id_] = freq.get(id_, 0) + 1 
+
+    min_ = float('inf') 
+    min_id_ = " " 
+
+    for prod_id_, count in freq.items():
+        if count <= min_:
+            min_ = count 
+            min_id_ = prod_id_ 
+
+    return min_id_ 
+
+
+def most_sold(sales):
+
+    freq = {} 
+
+    for sale in sales: 
+        id_ = sale['id_']
+        freq[id_] = freq.get(id_, 0) + 1 
+
+    max_ = 0 
+    max_id_ = " " 
+
+    for prod_id_, count in freq.items():
+        if count >= max_:
+            max_ = count 
+            max_id_ = prod_id_ 
+
+    return max_id_ 
+
+
+def most_common_hour(sales):
+    freq = {} 
+
+    for sale in sales: 
+        date = sale['date']
+        hour = date.hour 
+        freq[hour] = freq.get(hour, 0) + 1 
+
+    max_ = 0 
+    max_hour_ = " " 
+
+    for hour, count in freq.items():
+        if count >= max_:
+            max_ = count 
+            max_hour_ = hour 
+
+    return max_hour_ 
+
+
+def most_common_day(sales):
+    freq = {} 
+
+    for sale in sales: 
+        date = sale['date']
+        day = date.day 
+        freq[day] = freq.get(day, 0) + 1 
+
+    max_ = 0 
+    max_day_ = " " 
+
+    for day, count in freq.items():
+        if count >= max_:
+            max_ = count 
+            max_day_ = day 
+
+    return max_day_ 
+
+
+def max_num_sales(sales):
+    freq = {}
+
+    for sale in sales:
+        id_ = sale['id_'] 
+        freq[id_] += freq.get(id_, 0) + sale['quantity'] 
+
+    max_ = 0 
+    max_id_ = ' '
+
+    for prod_id_, count in freq.items():
+        if count >= max_: 
+            max_ = count 
+            max_id_ = prod_id_ 
+
+    return max_id_ + ':' + max_ 
+
+
+def min_num_sales(sales):
+    freq = {}
+
+    for sale in sales:
+        id_ = sale['id_'] 
+        freq[id_] += freq.get(id_, 0) + sale['quantity'] 
+
+    min_ = float('inf')
+    min_id_ = ' '
+
+    for prod_id_, count in freq.items():
+        if count <= min_: 
+            min_ = count 
+            min_id_ = prod_id_ 
+
+    return min_id_ + ':' + min_ 
+
+
+def reorder(id_, reorder, inventory, product_reorder):
+
+    product_reorder[id_] = reorder 
+
+    if inventory.get(id_) <= product_reorder.get(id_): 
+        print('You should order more items of this product, press 6 
+        and follow instructions')
+
+
+def total_spent(purchases)
+
+    spent_product = {}
+
+    for purchase in purchases: 
+        price = purchase['price_purchase_'] 
+        id_ = purchase['id_']
+        spent_product[id_] = spent_product.get(id_, 0) + price 
+
+    return spent_product 
+
+
+def total_gained(sales)
+
+    gained_product = {}
+
+    for sale in sales: 
+        price = sale['price_sale_'] 
+        id_ = sale['id_']
+        gained_product[id_] = gained_product.get(id_, 0) + price 
+
+    return gained_product 
+
+def total_profit(gained_product, spent_product):
+
+    profit_product = {} 
+
+    for id_ in gained_product:  
+        profit_product[id_] = gained_product[id_] - spent_product.get(id_, 0) + 0 
+
+    return profit_product