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#!/usr/bin/env python3
# -*- coding: utf-8 -*-

第一个Python程序

100+200

300

print("hello world")

hello world

print()会依次打印每个字符串，遇到逗号“,”会输出一个空格，因此，输出的字符串是这样拼起来的：

print('The quick brown fox', 'jumps over', 'the lazy dog')

The quick brown fox jumps over the lazy dog

print(200)

200

print(100+200)

300

print('100 + 200 = ', 100+200)

100 + 200 =  300

name=input()

michael

name

'michael'

print(name)

michael

name = input()
print('hello,',name)

zjcao
hello, zjcao

name = input("please enter your name:")
print('hello,',name)

please enter your name:frank
hello, frank

完