break
for i in range(10):
if i == 2:
break
print i
0
1
continue
for i in range(10):
if i == 2:
continue
print i
0
1
3
4
5
6
7
8
9
函数
def square_sum(a,b):
c = a**2 + b**2
return c
v = square_sum(2,3)
print v
计算a的平方加b的平方。
a = 1
def change_integer(a):
a = a + 1
return a
print change_integer(a)
print a
2
1
段落之间留两行，显得结构清晰。
b = [1,2,3]
def change_list(b):
for i in range(len(b)):
b[i] = b[i] + 1
return b
print change_list(b)
print b
[2, 3, 4]
[2, 3, 4]