python demo.py_pythonDemo.py

# coding=UTF-8

# 字体编码,coding必须在第一行

# 01

print("Hello World")

# 02

score = 77

if score >= 80:

print(score)

else:

print("分数过低")

# 03

# rang(1,6), 不包含6

# for i in range(1, 6):

# print(i ** 2)

# 04

# while True:

# i = input("请输入内容:")

# if i == "stop":

# break

# elif not i.isdigit():

# if i.isspace():

# print("不能输入空格")

# else:

# print("请输入数字")

#

# else:

# j = int(i)

# if j > 20:

# print("输入的数字太大了")

# elif j < 10:

# print("输入的数字太小了")

# else:

# print("输入正确")

# 05 循环增加

# i = 1

# while True:

# if i >= 10:

# print("大于10,退出")

# break

# else:

# i = i + 1

# print(i)

# print("+1中...")

# 06 默认浏览器打开网页

# url = "https://www.baidu.com/"

# import webbrowser

#

# webbrowser.open(url)

# True

# 0