#!/usr/bin/python #coding:utf-8 #while #计算1+2+3+...+100的和 #计算1+3+5...+99的和 sum=0 i=0 while i<=99: i=i+1 if i%2==0: continue sum=sum+i print s
#计算2+4+6...+100的和 sum=0 i=0 while i<=99: i=i+1 if i%2!=0: continue s=sum+i print s
#!/usr/bin/python #coding:utf-8 import subprocess def myping(x): tmp=subprocess.call('ping -c3 -i0.2 -w2 %s &>/dev/null'%x,shell='True') if tmp==0: print '%s is up'%x else: print '%s is down'%x myping('192.168.4.5') myping('192.168.4.8') myping('192.168.7.5')
