1樓：夢囈罒幻羽
import re
str1="123456"
lis1=re.findall("^\d\d",str1)if 0<=int(list[0])<=24:
if 0<=int(list[1])<=60:
if 0<=int(list[2])<=60:
print ("%d時%d分%d秒
源"%(int(list[0]),int(list[1]),int(list[2])))
else:
print("秒cc錯誤")
else:
print("分bb錯誤")
else:
print("小時aa錯誤")
思路就是這樣，適當修改就可以了
求解 python 練習題 5
2樓：野人拆
import string
def makewordlist(input_file, output_file):
table = string.maketrans("", "")try:
word_list = dict()
for line in open(input_file, 'r'):
line = line.translate(table, string.punctuation).rstrip('\r\n').split(' ')
for word in line:
if not word in word_list:
word_list[word] = 1
else:
word_list[word] += 1
f = open(output_file, 'w')for k,v in word_list.items():
line = '%s %s\r\n' % (k,v)f.write(line)
except:
print input_file,'not exist'
makewordlist('input.txt', 'output.txt')
python習題求解答
3樓：灰色
重複讀取資料寫個while迴圈就行了
**為：
arr =
num = 0
sum = 0
while 1:
val = input('請輸入乙個數版')try:
if val == 'done':
for i in arr:
sum = sum + float(i)
print('總和為：' + str(sum))print('輸入個
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