# get\_balance

根据账户地址获取其原生代币余额。

## 方法定义

```python
def get_balance(self, address: ChecksumAddress) -> Optional[Wei]
```

## 参数说明

| 参数      | 类型              | 说明   |
| ------- | --------------- | ---- |
| address | ChecksumAddress | 账户地址 |

## 返回值

| 类型             | 说明            |
| -------------- | ------------- |
| Optional\[Wei] | 账户原生代币余额(Wei) |

## 示例代码

```python
# 获取账户余额
balance = chain.get_balance("0x...")
if balance is not None:
    print(f"Balance: {Web3.from_wei(balance, 'ether')} ETH")
```


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