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item_update.py
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item_update.py
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import json
with open("stock.txt", "r") as f:
items = json.load(f)
def show():
print('\n\n')
print('list of items'.upper())
print('{0:^30}'.format('_'*30))
print('{0:^15}{1:^15}'.format('Items', 'Price'))
print('{0:^30}'.format('_'*30))
for x in items.keys():
print('{0:^15}{1:^15}'.format(x, items[x]))
print('{0:^30}'.format('_'*30))
def add():
print('\n\n')
print("!. Note: If no items are left for input, Enter \'done\'\n")
while True:
new_item = input("Enter new item: ")
if new_item == "done":
break
elif new_item == "":
print('invalid input, try again\n')
continue
new_price = input("Enter unit price of {0}: ".format(new_item))
print('\n')
try:
float(new_price)
except:
print("ValueError: Unit price must be a number\nTry again!")
continue
else:
unit_price = float(new_price)
items[new_item] = unit_price
with open('stock.txt', 'w') as f:
json.dump(items, f)
print('\n\n')
print("Stocks updated".upper())
# Testing comment
def remove():
print('\n\n')
print("!. Note: If no items are left for input, Enter \'done\'\n")
while True:
item_name = input("Enter the name of item: ")
if item_name == "done":
break
elif item_name == "":
print('invalid input, try again\n')
continue
items.pop(item_name)
with open('stock.txt', 'w') as f:
json.dump(items, f)
print('\n\n')
print("Stocks updated".upper())
def index():
while True:
print('\n\n')
print("update stocks".upper())
print('-'*20)
print("1. Add Item")
print("2. Remove Item")
print("3 Exit Stock updates")
print("!. Enter \'check\' to see stocks list")
print('\n\n')
data = input("Enter option: ")
if data == '1':
add()
elif data == '2':
remove()
elif data == "check":
show()
elif data == '3':
break
else:
print('invalid input, try again\n')
continue