python code is added

homework2/main.py

+def input_number(text):
+    n = input(text)
+    try:
+        float(n)
+    except ValueError:
+        return input_number("The value you've just entered is the wrong type. Try again!\n")
+    return float(n)
+
+
+def read_array(n):
+    tv = []
+    for counter in range(n):
+        manufacture = input("The manufacture is ")
+        price = input_number("And the price is ")
+        tv.append({'manufacture': manufacture, 'price': price})
+    return tv
+
+
+def read_discount(text):
+    d = input_number(text)
+    if d < 10 or d > 60:
+        return read_discount("The discount can't be less than 10 or greater than 60. Try another\n")
+    return d
+
+
+def set_discount(tv, d):
+    for counter in range(0, len(tv)):
+        current = tv[counter]
+        new_price = current['price'] * (1.0 - (d / 100.0))
+        print("d: ", d, "old price: ", current['price'])
+        tv[counter]['new_price'] = new_price
+    return tv
+
+
+def display(tv):
+    print('%-16s%-12s%-12s' % ("Manufacture", "Price", "New price"))
+    for each in tv:
+        print('%-16s%-12f%-12f' % (each['manufacture'], each['price'], each['new_price']))
+
+
+number = int(input_number("Hey, how many TV sets do you want to compare?\n"))
+tv_sets = read_array(number)
+print(tv_sets)
+discount = read_discount("Which discount do you want to get (in percents)?\n")
+tv_sets = set_discount(tv_sets, discount)
+display(tv_sets)
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