有一个列表[“python“,“computer“,“book“,“pragrame“],请编写程序统计列表中每个字母出现的次数
def countword(list):
listcount=[]
countnum={}
for str in list:
for x in str:
listcount.append(x)
for y in listcount:
countnum[y]=listcount.count(y)
print(countnum)
if __name__=="__main__":
list=["python","computer","book","programe"]
countword(list)