待填程序如下：

log = input("请输入日志文件内容：")
# 如输入：SyntaxError TypeError SyntaxError IndexError
error_count = {}
errors = log.split()
for error in errors:
    if error in error_count:
        _______________ # 填写代码 ①
    else:
        _______________ # 填写代码 ②
print("日志中每种错误出现的次数如下：")
for error, count in error_count.items():
    print(f"{error}: {count}")