def RUB_USD():
User = float(input(‘Enter your ID: ‘))
bl.execute(f”””SELECT UserID FROM users_balance WHERE UserID = ? ;”””, (User,))
if not bl.fetchone():
print(‘There is no user with this ID’)
else:
USD = float(input(‘How many dollars do you want to receive?: ‘))
USD_1 = float(USD) * float(70)
bl.execute(f”””SELECT * FROM users_balance;”””)
user_USD = bl.fetchone()
result_1 = USD + user_USD[2]
print(result_1)
user_RUB = bl.fetchone()
result = float(user_RUB[1]) – USD_1
Исправь ошибку NoneType
