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The string format operator, in Python 2.5 quick reference, nmt.Welcome to the Complete Python Scripting for Automation. String Formatting Operations in The Python Standard Library at Python Documentation, - for "%i", "%s" and similar string formatting 2.3.8 File Objects in Python Library Reference,, for "flush".sys - System-specific parameters and functions in Python Documentation, python org - mentions sys.stdout, and sys.stderr Built-in Types #file.write in The Python Standard Library at Python Documentation, Built-in Functions #open in The Python Standard Library at Python Documentation,
The print statement in The Python Language Reference, Input and Output in The Python Tutorial,
PEP 498 - Literal String Interpolation,. PEP 3101 - Advanced String Formatting,. Int1 = 31 int2 = 41 str1 = "aaa" myhex = "x" v1 = f "Two ints: " # 1f - nested evaluation Printing numbers from 1 to 10 to a file, one per line: The number 3 after the period specifies the number of decimal digits after the period to be displayed, while 6 before the period specifies the total number of characters the displayed number should take, to be padded with spaces if needed. Like the previous, just that the formatting happens outside of the print statement. formatted_string = "The sum: %i" % (2+2) print formatted_string. Prints a string that has been formatted with the use of an integer passed as an argument. print > sys.stderr, "An error occurred.". Needs a subsequent "()" in order to display immediately on the user's screen. Prints "Hello " without a newline, with a space at the end. Outputs to a file handle, in this case standard error stream. Uses "+" to concatenate strings, after converting a number to a string. Throws an error as a result of trying to concatenate a string and an integer. Prints elements of various data types, separating them by a space. Prints the two words separated with a dash. Notice the surrounding brackets, ununsed in Python 2.x. Prints the two words separated with a space. Ensures Python 2.6 and later Python 2.x can use Python 3.x print function. You may need () to get that text on the screen quickly.
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