1 #coding=utf-8
2 a=1
3 b=2
4 c=3
5 #if else
6 if a==1:
7 print("a=1")
8 else:
9 print("a!=1")
10
11 #if elif
12 if b==3:
13 print("b=3")
14 elif c==4:
15 print("c=4")
16 else:
17 print("c!=4")
18 # 三目运算符
19 print("表达式1" if c==3 else "表达式2")
20
21 #循环语句
22 index=0
23 while index<5:
24 index+=1
25 print("while {0}".format(index))
26 else:
27 print("While Over")
28 index=0
29 for num in range(0,5):
30 print("for {0}".format(num))
31 else:
32 print("For Over")
33
34 for num in range(5):
35 if num==3:
36 print("num==3 break")
37 break # or continue
