Learn the python first lesson variable

Author:uljfangbr/>e-mail:[email protected]

Time:2018-3-24

message="Hello , Python World!"print("message")message="Hello, Python World! This language is Cool to learn well."print("message")

Run
Hello, Python world!
Hello, Python world! This language are Cool to learn well.

Message is a variable
Information associated with a variable: Hello,python world!, also known as a string (enclosed in quotation marks)
The value of the variable can be changed.

Variables: Letters, numbers, underscores three combinations, numbers can not do the beginning. The naming of variables is concise and procedural descriptive. Variables appear in many places in the program, to maintain consistency.

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Message.title ()
Message.upper ()
Message.lower ()
Uppercase for the first letter of the string, all uppercase for the string, all lowercase for the string

Learn the python first lesson variable