gioppa.py

from statistics import median

d={}
flag=True

def load_from_file(filename):
  try:
    # Load data from file
    f=open(filename, "r")

    data = {}
    rows = f.readlines()

    for row in rows:
      row = row.strip().split("=")
      data[row[0]] = ""
      return True
  except:
    print("File '" + filename + "' not found.")
    return False



while flag:
  command=input("Please enter your command: ").split(" ")

  if command[0].lower()=="exit":
      flag=False
      print("Console is exiting, bye bye!")
  elif command[0].lower()=="add":
      if d.get(command[1].lower())!=None:
        print("Sorry, this user already exists!")
      else:
        d[command[1]] = []
        print("User created correctly!")
  elif command[0].lower()=="sales":
    if d.get(command[1].lower())!=None:
      d[command[1]].append(int(command[2]))
      print("Sale saved correctly!")
    else:
      print("Sorry, user does not exist!")
  elif command[0].lower()=="save":
    f = open("SalesBBA.txt","a")

    for i in d.keys():
      f.write(i+"="+str(d[i])+"\n")

    f.close()
    print("Sales saved correctly!")
  elif command[0].lower()=="clear":
    d = {}

    try:
      f = open("SalesBBA.txt","w")
      f.close()
      print("File and Console memory correctly cleared!")
    except:
      f = open("SalesBBA.txt", "a")
      f.close()

      print("File not found. Console memory cleared.")

  elif command[0].lower()=="load":
    if load_from_file("SalesBBA.txt"):
      print("Sales correctly loaded!")

  elif command[0].lower()=="report":
    print("Customer; Average Sales")

    for customer in d.keys():
      if len(d[customer]) == 0:
        print(customer, "=", 0)
      else:
        print(customer, "=", median(d[customer]))

  else:
    print("Command not found")