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Python Variable Names

Variable Names

A variable can have a short name (like x and y) or a more descriptive name (age, carname, total_volume).

Rules for Python variables:

  • A variable name must start with a letter or the underscore character
  • A variable name cannot start with a number
  • A variable name can only contain alpha-numeric characters and underscores (A-z, 0-9, and _ )
  • Variable names are case-sensitive (age, Age and AGE are three different variables)

    • Example

    #Legal variable names:
    myvar = "John"
    my_var = "John"
    _my_var = "John"
    myVar = "John"
    MYVAR = "John"
    myvar2 = "John"

    #Illegal variable names:
    2myvar = "John"
    my-var = "John"
    my var = "John"

    Remember that variable names are case-sensitive

    Related Pages

    Python Variables Tutorial Creating Variables Assign Value to Multiple Variables Variable Output String Concatenation Global Variables

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