Change Return Program done

Numbers/change.py

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+# Change Return Program - The user enters a cost and
+# then the amount of money given. The program will figure
+# out the change and the number of quarters, dimes, nickels,
+# pennies needed for the change.
+
+if __name__ == '__main__':
+    cost = input("What's the cost in dollars? ")
+    given = input("What's the amount of dollars given? ")
+
+    change = given - cost
+
+    print "\n"
+    if change < 0:
+        print "Please ask for $%.2f more from the customer." % (-change) # double negation
+    else:
+        print "The change is $%.2f." % change
+
+        q = 0 # 0.25
+        d = 0 # 0.10
+        n = 0 # 0.05
+        p = 0 # 0.01
+
+        change = int(change * 100) # let's talk about cents
+
+        if change >= 25:
+            q = int(change / 25)
+            change = change % 25
+        if change >= 10:
+            d = int(change / 10)
+            change = change % 10
+        if change >= 5:
+            n = int(change / 5)
+            change = change % 5
+        if change >= 1:
+            p = change # rest all change is in pennies
+
+    print "Give the following change to the customer:"
+    print "Quarters: %d\tDimes: %d\tNickels: %d\tPennies: %d" \
+          % (q, d, n, p)
+
+    # DEBUG
+    # print "Total change per the number of coins is %.2f" % \
+    #       ((q * .25) + (d * .10) + (n * 0.05) + (p * 0.01))