ef average(*args):
a=0
n=len(args)
for m in args:
a=a+m
return (a/n)
a=0
n=len(args)
for m in args:
a=a+m
return (a/n)
2017-01-12
sum = 0
x = 1
n = 1
while True:
sum=sum+x
n=n+1
x=pow(2,n-1)
if n>20:
break
print sum
x = 1
n = 1
while True:
sum=sum+x
n=n+1
x=pow(2,n-1)
if n>20:
break
print sum
2017-01-11
print "hello python"
print "hello" , "pythom"
print "hello" , "pythom"
2017-01-11
注意点
print "Oxff==255"
输出Oxff==255
print Oxff==255
才对
print "Oxff==255"
输出Oxff==255
print Oxff==255
才对
2017-01-11