Notes

// SPDX-License-Identifier: MIT
pragma solidity A0.8.0;
contract MyToken {
mapping (address .> uint256) public balance0f;
string public name = "MyToken";
string public symbol - "MYT";
uint8 public decimals = 18;
uint2S6 public totalSupply = 100000 * (10 " decimals);
mapping (address => mapping (address => uint256)) public allowance;
event Transfer(address indexed _from, address indexed _to, uint256 _value);
event Approval(address indexed _owner, address indexed _spender, uint256 _value);
constructor () { balanceOf[msg.sender] = totalSupply; }
function transfer(address _to, uint256 _value)
public returns (bool success) { require(balanceOf[msg.sender] >. _value, "Not enough tokens to transfer."); balanceOf[msg.sender] -= _value; balanceOf[_to] +. _value;
emit Transfer(msg.sender, _to, _value); return true; }
function transferfrom(address _from, address _to, uint256 _value)
public returns (bool success) {
require(allowance[_from][msg.sender] >. _value, "Not approved to transfer.");
require(balance0q_from] >= _value, "Not enough tokens to transfer.");
balance0q_from] _value;
balanceOf[_to] += _value;
allowance[_from][msg.sender] _value;
emit Transfer(_from, _to, _value);
return true;
}
function approve(address _spender, uint256 _value)
public returns (bool success) {
allowance[msg.sender][_spender] - _value;
emit Approval(msg.sender, _spender, _value);
return true;
}
}