１、python2\3一些區別記錄
| python2.7 | python3.5 |
|---|---|
| print "test " | print (“test”) |
| import thread | import _thread |
| _iterator.next() | next(_iterator) |
| xrange(10) | range(10) |
| reduce(a,b,c) | from functools import reduce reduce(a, b, c) |
| x= 0755 | x = 0o755(八進制) |
| [ i for i in 9, 2] | [ i for i in (9, 2)] |
| 7/2 = 3; from future import division 7/2=3 | 7/2=3.5; 7//2=3 |
| watches = sorted(watches, key=takeFrist) | watches.sort(key=takeFrist) |