Python基础之七

for i in range(0, 10, 2):
    if i == 6:
        conTinue
    print(i)
print('--' * 10)

for i in range(0, 10, 2):
    if i == 6:
        break
    print(i)
print('--' * 10)

for k in range(3):
    for i in range(4):
        if k == 1 and i == 2:
            break  # 打破当前循环体，而不会对外层循环产生影响
        print(k, i)

def test01():
    for i in range(4):
        print(i)


def test02():
    for k in range(3):
        test01()
        print('---' + str(k) + '---')


test02()

 1 def test_01(name, age=18):
 2     print('@H_771_30@my name is ' + name +
 3           '. I'm ' + str(agE) + ' years old.')
 4 
 5 
 6 test_01('zhangsan', 20)  # name是必须参数，不传参则会报错，age有默认值，传参会替换默认值
 7 test_01(age=25, name='lisi')  # 关键字参数用赋值的形式，可以不考虑顺序
 8 test_01('wangwu')  # 默认参数可以不传值，以默认值体现
 9 
10 
11 def test_02(*args, **kwargs):
12     print(args, kwargs)
13 
14 
15 test_02('a', 'b', 1, 3, num=5, height=180.5, name='zhanghua')  # 不定长参数

1 test_list = [3, 4, 5]
2 def test_03():
3     test_list = [1, 5, 2, 8]
4 
5 def test_04():
6     test_03()
7     print(test_list)  # 引用的是最开始定义的变量
8 
9 test_04()

 1 test_list = [3, 4, 5]
 2 def test_03():
 3     global test_list  # 定义全局变量
 4     test_list = [1, 5, 2, 8]
 5 
 6 def test_04():
 7     test_03()
 8     print(test_list)  # 引用的是最近的变量
 9 
10 test_04()