a=input("请输入字符串")
print("输入的字符串是",a)
count=0
for i in a:
if '0'<=i<='9':
count+=1
print("字符串中出现数字的个数有:{}个".format(count))
a=input("请输入字符串")
print("输入的字符串是",a)
count=0
for i in a:
if '0'<=i<='9':
count+=1
print("字符串中出现数字的个数有:{}个".format(count))