print("The world of python welcomes to you!")
name = raw_input("What is your name? ")
print("Hello, " + name + "!")
print("The world of python welcomes to you!")
name = input("What is your name? ")
print("Hello, " + name + "!")
在windows下双击附件hllo.py文件，运行结果：
最后一行代码改为raw_input函数，则程序运行完毕，来不及看结果，窗口也跟着关闭。
附件hello.py文件代码内容：
print("The world of python welcomes to you!")
name = input("What is your name? ")
print("Hello, " + name + "!")
input("Press <Enter>")
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