Added currencies.json en currency.py

PythonTrainingGroupB/currencies.json

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+{"luuk": "Euro"}

PythonTrainingGroupB/currencies.py

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+import json
+
+def load_currencies(path):
+    """"
+    :param path: The name of the json file that serves as input.
+    :return: This function returns the json file such that it can be used for data analysis.
+    """
+
+    f = open(path)
+    return json.load(f)
+
+
+def new_currency():
+    valuta = None
+    print("Please enter the valuta used by your bank.")
+    print("------------------------------------------")
+    user_input = int(input("\n 0: US Dollar \n 1: Euro \n 2: British Pound \n 3: Japanese Yen \n"))
+    if user_input == 0:
+        valuta = 'US Dollar'
+    elif user_input == 1:
+        valuta = 'Euro'
+    elif user_input == 2:
+        valuta = 'British Pound'
+    elif user_input == 3:
+        valuta = 'Japanese Yen'
+    else:
+        print("You entered invalid input")
+    return valuta
+
+
+def add_new_currency(path, username, currencies):
+    """"
+    add_new_currency creates a new entry in the json database for the used currency
+
+    :param path: the path where we want to write the output to.
+    :currencies: the json file of existing usernames and currencies that serves as input.
+    :new_username: The username specified by the user.
+    :valuta: The valuta specified by the user.
+    :return: This function updates the json file with currency information of the new user.
+    """
+
+    currencies[username] = new_currency()
+    with open(path, 'w') as fp:
+        json.dump(currencies, fp)
+
+