题解 | #参数解析#

a = input().split() # 去掉空格
result = []
i = 0
while i <len(a):
if a[i].count('"') == 1: # 单边包含引号，说明引号内包含空格
string = a[i].replace('"', '')
for j in range(i+1, len(a)):
if '"' in a[j]:
string += " "
string += a[j].replace('"', '')

            i = j
            result.append(string)
            continue
        else:
            string += ' '
            string += a[j]
else:
    string = a[i].replace('"', '')  # 有引号且内部没有空格，或没有引号
    result.append(string)
i += 1

print(len(result))
for x in result:
print(x)