编写一个C程序，使用while循环计算句子的平均单词长度
START Step 1: declare character, int and double variables Step 2: Enter any statement Step 3: while loop Check condition stmt[i]=getchar()) != '
START Step 1: declare character, int and double variables Step 2: Enter any statement Step 3: while loop Check condition stmt[i]=getchar()) != '
