from turtle
import *
def position(x, y):
up()
goto(x, y)
down()
def drawstar(size, x, y):
position(x, y)
color('yellow')
begin_fill()
fillcolor('yellow')
for i
in range(5
):
forward(size)
if size == 150
:
right(144
)
else:
left(144
)
end_fill()
bgcolor('red')
speed(5
)
drawstar(150, -300, 160
)
drawstar(50, -180, 250
)
drawstar(50, -80, 200
)
drawstar(50, -80, 90
)
drawstar(50, -180, 10
)
hideturtle()
done()
str1 =
'Python!Python!Python'
print(str1)
print(str1[0])
print(str1[2:5
])
print(str1[2
:])
print(str1 * 2)
html1 =
'http://news.gzcc.cn/html/2018/xiaoyuanxinwen_0314/9024.html'
print(html1[-14:-5],
'\n ----------------------')
html_end =
'.html'
html2 =
'https://docs.python.org/dev/library/'
a = [
'string',
'sys',
'turtle',
'os']
for g
in a:
html = html2 + str(g) +
html_end
print(html)
print(
'\n ----------------------')
new_html1 =
'http://news.gzcc.cn/html/2018/xiaoyuanxinwen/'
for i
in range(0, 11
):
new = new_html1 + str(i) +
html_end
print(new)
a =
' There is \n a python document \n ! is a good code!!!!'
print(a.strip(),
'\n ---------------------')
print(a.lstrip(),
'\n---------------------')
print(a.rsplit(),
'\n---------------------')
print(a.count(
'!'),
'\n---------------------')
print(a.count(
'is'),
'\n---------------------')
print(a.split(
'\n'))
转载于:https://www.cnblogs.com/ben-9527/p/8605154.html
相关资源：python的练习代码
