代码如下：
def snake_to_camel(snake_str):
components = snake_str.split('_')
# 首字母小写，其余字母大写
return components[0] + ''.join(x.title() for x in components[1:])
# 示例
snake_string = "example_string"
camel_string = snake_to_camel(snake_string)
print(camel_string) # 输出: exampleString
