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task_02.py
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task_02.py
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"""
"""
"""
Algorithm
-----------
Input the product amount
Input the client currency
Calculate the rest of money 3.1 euros
Calculate using stock of currency
Test case data
--------------------
Stock in box
---------------
10 coins of 2 euros = 20 euros
4 coins of 0.50 cents = 2 euros
10 coins of 0.20 cents == 2 euros
50 coins of 0.10 cents == 5 euros
29 in stock
Test data
------------
5 euros client
cost of product 1.9
Expected data
--------------
change for client = 3.1
1 coins 2 euros
2 coins 0.50
1 coin 0.10
"""
def calculate_currency(change_input, stock_data_values):
change_output = 0
total_ammount_inbox = 10 # todo change this hardcoded data
# here calculates the number of coins
# this could be a type of array
# todo: to complete
if change_input < total_ammount_inbox:
pass
# process transaction
return change_output
"""
3.1 - 2 = 1.1
1.1 I canot iterate using coin=2, I select the next 1 euro, I chekc that i dont have
And after 0.50
1.1 - 0.5
3.1 MOD 0.5
client_currency DIV coin_050
integet part * value of coin = a_value
3.1/0.5 = 6.1
0.5 * 6 = 3
6 coins of 0.50
3.1 - (3.1/0.5)
3.1 -3 = 0.1 # rest after
0.1 DIV 0.1 = 1
1 coin of 0.1
"""
def calculate_currency_02(change_input):
change_output = 0
COIN_010 = 0.1
COIN_020 = 0.2
COIN_050 = 0.5
COIN_1 = 1
COIN_2 = 2
result_op_2 = int(change_input / COIN_2)
temporal_r = change_input - (result_op * COIN_2)
# if temporal > 1 do
if temporal_r > COIN_1:
result_op_1 = int(change_input/COIN_1)
temporal_r = temporal_r - (result_op * COIN_1)
# if temporal > 0.1 do
if temporal_r > COIN_010:
result_op = int(change_input/COIN_010)
temporal_r = temporal_r - (result_op * COIN_010)
if temporal_r > COIN_020:
result_op_020 = int(change_input/COIN_020)
temporal_r = temporal_r - (result_op * COIN_020)
if temporal_r > COIN_050:
result_op_050 = int(change_input/COIN_050)
temporal_r = temporal_r - (result_op * COIN_050)
return change_output
def show_view(stock_data_values):
"""
Show to the user the type of coins
:return:
"""
for a_record in stock_data_values.keys():
# get key and value in order to show from an array
print(a_record)
pass
def get_total_in_box(stock_data_values):
sum_result = 0
for a_key in stock_data_values.keys():
sum_result = sum_result + (stock_data_values.get(a_key) * float(a_key)) # multi
return sum_result
def main_f():
print("MAIN")
# it is an array organised by positions.
# 0.10 | 0.20 | 0.50 | 1 euro | 2 euros
stock_data_values_01 = [50, 10, 4, 0, 10] # todo: I am not sre to user this typer of array
# type of coin | amount in euros
stock_data_values = {
"0.10":50,
"0.20":10,
"0.50":4,
"1":0,
"2":10
}
stock_data_multiplier = [0.1, 0.2, 0.5, 1, 2]
# todo: enable after the user input
product_prize = float(1.9) #float(input("Enter product prize ="))
client_currency = float(5) #float(input("Enter client currency ="))
# todo: case 1 check if client gives more money. In this case continues transaction
# todo: case 2 check if client gives less money. In this case ask to client about money
# case 1
client_change = client_currency - product_prize
print(f"client_change = {client_change}")
#stock_in_box = 0 # todo: implement here a funtion to get the total stock
stock_in_box = get_total_in_box(stock_data_values)
print(f"stock_in_box = {stock_in_box}")
calculate_currency_02(client_change)
#show_view(stock_data_values)
# todo: the change for client is less than my stock?
if client_change < stock_in_box:
# calculate the stock
# show to the user the final result in type of currency
pass
else:
# todo. to complete this part
# I have not enought money to give back
pass
pass
if __name__ == "__main__":
main_f()