# python实现将内容分行输出

#python版一行内容分行输出

a=”aa1一bb2二cc3三dd4四ee5五ff6六gg7七hh8八ii9九”
“””

abcdefghi
abcdefghi
123456789

“””
print(“方法一:===============”)
for r in range(0,4):
t=”
for s in range(0+r,len(a),4):
t=t+a[s]
print(t)
print(“方法二:===============”)
#=_=这个方法会不会看起来比较傻?
l=list(a)
ta=tb=tc=td=”
for r in range(0,9):
for s in range(0,4):
if s==0:
ta=ta+l.pop(0)
if s==1:
tb=tb+l.pop(0)
if s==2:
tc=tc+l.pop(0)
if s==3:
td=td+l.pop(0)
print(ta)
print(tb)
print(tc)
print(td)
print(“方法3:回字有n种写法===============”)
import string
ta=tb=tc=td=”
la=string.ascii_lowercase
ua=string.ascii_uppercase
nb=string.digits
ub=”一二三四五六七八九”
for s in a:
if s in la:
ta=ta+s
if s in ua:
tb=tb+s
if s in nb:
tc=tc+s
if s in ub:
td=td+s
print(ta)
print(tb)
print(tc)
print(td)
print(“方法4:回字有一种叫做正则的写法===============”)
import re
#这正则写法感觉不科学,暂时没有好的想法
reg=[“[a-z]”,”[a-z]”,”\d”,”[^\da-za-z]”]
for s in reg:
rega=re.compile(s)
s=re.findall(rega,a)
print(“”.join(s))
“””

abcdefghi
abcdefghi
123456789

abcdefghi
abcdefghi
123456789

abcdefghi
abcdefghi
123456789

abcdefghi
abcdefghi
123456789

“””

f=open(“shuju.txt”,”r”)