题解 | #在字符串中找出连续最长的数字串#
https://www.nowcoder.com/practice/2c81f88ecd5a4cc395b5308a99afbbec
s = input()
ml = 0 # 数字串最长个数，初始赋为0
# 1.将字符串中非数字的字符全替换成空格
for i in s:
if not i.isdigit():
s = s.replace(i," ")
l = s.split() # 数字串列表
# 2.找出最长数子串个数
for j in l:
if len(j) > ml:
ml = len(j)
# 3.输出最长的数子串
for k in l:
if len(k) == ml:
print(k,end="") # 不换行输出
print(f",{ml}") # 格式输出
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