输入一行字符，分别统计出其中英文字母、空格、数字和其它字符的个数。
减小字体
增大字体利用 while 或 for 语句,条件为输入的字符不为 '\n'。
#!/usr/bin/python
# -*- coding:
UTF-8 -*-import strings = raw_input('请输入一个字符串:
\n')letters = 0space = 0digit = 0others = 0i=0while i < len(s):
c = s[i]i += 1if c.isalpha():
letters += 1elif c.isspace():
space += 1elif c.isdigit():
digit += 1else:
others += 1print 'char = %d,space = %d,digit = %d,others = %d' % (letters,space,digit,others)
#!/usr/bin/python
# -*- coding:
UTF-8 -*-import strings = raw_input('请输入一个字符串:
\n')letters = 0space = 0digit = 0others = 0for c in s:
if c.isalpha():
letters += 1elif c.isspace():
space += 1elif c.isdigit():
digit += 1else:
others += 1print 'char = %d,space = %d,digit = %d,others = %d' % (letters,space,digit,others)
实例 - 使用 while 循环
#!/usr/bin/python
# -*- coding:
UTF-8 -*-import strings = raw_input('请输入一个字符串:
\n')letters = 0space = 0digit = 0others = 0i=0while i < len(s):
c = s[i]i += 1if c.isalpha():
letters += 1elif c.isspace():
space += 1elif c.isdigit():
digit += 1else:
others += 1print 'char = %d,space = %d,digit = %d,others = %d' % (letters,space,digit,others)
实例 - 使用 for 循环
#!/usr/bin/python
# -*- coding:
UTF-8 -*-import strings = raw_input('请输入一个字符串:
\n')letters = 0space = 0digit = 0others = 0for c in s:
if c.isalpha():
letters += 1elif c.isspace():
space += 1elif c.isdigit():
digit += 1else:
others += 1print 'char = %d,space = %d,digit = %d,others = %d' % (letters,space,digit,others)
以上实例输出结果为：
请输入一个字符串:
123runoobc kdf235*(dflchar = 13,space = 2,digit = 6,others = 2
输入一行字符，分别统计出其中英文字母、空格、数字和其它字符的个数。
