app.py

import streamlit as st 
import string
import secrets

user_name = []
user_token = []
user_balance = []
count = len(user_name)

def generate_api_token(length):
    characters = string.ascii_letters + string.digits
    api_token = ''.join(secrets.choice(characters) for _ in range(length))
    return api_token

st.sidebar.title("KVI Crypto", help="IT IS FAKE!! Just for research")
st.sidebar.write("New crypto money")
name = st.sidebar.text_input("Enter name")
create = st.sidebar.button("Create wallet")
tok_inp = st.sidebar.text_input("Enter token to login")
login = st.sidebar.button("Login")

account, deposit, price = st.tabs(["Account", "Deposit", "Price"])
price_value = 587

if create:
    new_user_token = generate_api_token(16)
    
    user_name.append(name)
    user_token.append(new_user_token)
    user_balance.append(0)
    index = count
    balance = user_balance[index]
    
    account.write(f"Your token: {new_user_token}. Remember it or copy!!")
    account.header(f"Your balance: {balance}")
    
elif login:
    if tok_inp in user_token:
        innd = user_token.index(tok_inp)
        balance = user_balance[innd]
        name = user_name[innd]
        
        account.write(f"Your token: {tok_inp}")
        account.header(f"Your balance: {balance}")
        
        deposit.subheader("Deposit money to wallet.")
        how_much = deposit.number_input("Enter how much")
        user_balance[innd] += how_much

price.header(f"Current KVI Crypto price is {price_value}$")