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4 years ago

James Hutton:

1 answer:

6 0

The answer is B which is the fundamental principle of geology that explains explains the features of earths crust by means of natural processes over geologic time he is referred to as the father of modern Geology

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Write a Python program to: ask the user to enter the price of an item. Note: use a while loop to check the validity of the price

garik1379 [7]

Answer:

Hi there Tonyhh! Please find the implementation below.

Explanation:

You can save the below code in a file called "price_discount.py". The code is implemented in python 2.0+. To make it work in Python 3.0+, simply update the code to use "input" rather than "raw_input".

price_discount.py

def calculate_discount(price, quantity):

total = 0.95 * price * quantity;

return total;

price = raw_input("Enter a price: ");

try:

price = int(price);

while price <= 0:

print("Input a valid number: ")

price = raw_input("Enter a price: ");

quantity = raw_input("Enter a quantity: ");

try:

quantity = int(quantity);

if quantity >= 10:

print(calculate_discount(price, quantity));

except ValueError:

print("Invalid quantity!")

except ValueError:

print("Invalid input!");

price = -1;

3 0

3 years ago

What are ways to switch windows in Excel? Check all that apply. On the status bar, click the Windows button, and then click the

yulyashka [42]

On the status bar,Windows button, and then click the file name.click to display the Excel jump list, and then click the file name. On the View tab, in the Window group, click Switch Windows, and then click the file name. and also hint you can do alt tab but alt first and then tab

8 0

3 years ago

jane feels listening to music at night helps her to sleep. should jane listen to music the night before a test

Pavel [41]

If it help her sleep than yes! Sleep helps you to stay focused during a test.

7 0

3 years ago

find_cow(name, cows) Given a name and a Python list of Cow objects, return the Cow object with the specified name. If no such Co

nadya68 [22]

Using the computational knowledge in python it is possible to write a code that Given a name and a Python list of Cow objects

<h3>Writting the code in python:</h3>

def load_cows(filename):

cow_dict = dict()

f = open(filename, 'r')

for line in f:

line_data = line.split(',')

cow_dict[line_data[0]] = int(line_data[1])

return cow_dict

def greedy_cow_transport(cows, limit=10):

trips = []

cowsCopy = cows.copy()

sortedCows = sorted(cowsCopy.items(), key=lambda x: x[1], reverse = True)

while sum(cowsCopy.values()) > 0:

ship = []

total = 0

for cow, value in sortedCows:

if cowsCopy[cow] != 0 and value + total <= limit:

ship.append(cow)

total += value

cowsCopy[cow] = 0

trips.append(ship)

return trips

def brute_force_cow_transport(cows,limit=10):

trips = []

possibilities = []

for i in power_list:

ship = []

for j in i:

ship_weights = []

for k in j:

ship_weights.append(cows[k])

#print(ship_weights)

ship.append(sum(ship_weights))

#print(ship)

if all(d <= limit for d in ship):

possibilities.append(i)

pruned_possibilities = []

for k in possibilities:

if k not in pruned_possibilities:

pruned_possibilities.append(k)

# now find the minimum list length:

min_list_len = min(map(len, pruned_possibilities))

for l in pruned_possibilities:

if len(l) == min_list_len:

return l

def compare_cow_transport_algorithms():

greedy_start = time.time()

greedy_results = greedy_cow_transport(cows, limit = 10)

greedy_end = time.time()

print('Greedy Algorithm time:', greedy_end -greedy_start)

brute_force_start = time.time()

brute_force_results = brute_force_cow_transport(cows, limit = 10)

brute_force_end = time.time()

print('Brute force time:', brute_force_end - brute_force_start)

print('Greedy Algorithm results:', greedy_results)

print('Number of trips returned by Greedy Algorithm:', len(greedy_results))

print('Brute Force Algorithm results:', brute_force_results)

print('Number of trips returned by Brute Force Algorithm:', len(brute_force_results))

See more about python at brainly.com/question/13437928

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4 0

2 years ago

The ___________________ Act makes it illegal to deactivate or otherwise disable any antipiracy technologies including DRM techno

arsen [322]

Answer:

Digital Millennium Copyright Act

Explanation:

Digital Millennium Copyright Act (DMCA) is a protection placed on creative works online and gave content owners the authority to have their contents removed from websites who use it without permission, the act prohibits the reselling and giving away of commercial programs, contents or devices, violating the act is criminal

5 0

4 years ago