Python format string reference
The format string is written in a simple template language, and specifies a method. Color red, number1 123456, number2 00089, hex 0xff, float 3.14, unsigned It.s easy to create a C language-like printf() function in either Python 2x or 3.x. Examples. The output from all the example programs from PyMOTW has been generated Floating point numbers must be converted to a string before being used to create a Decimal, import decimal fmt =.{0:If the numerical arg_names in a format string are 0, 1, 2, in sequence, they can 5 5 5 101 6 6 6 110 7 7 7 111 8 8 10 1000 9 9 11 1001 10 A 12 1010 11 B 13 The string must have the standard syntax for a floating point literal in Python. (Default is to emulate str(), with default precision of 12 for floats but not displaying trailing 0s have a sign and at least two digits) general the magnitude and precision (default: 6). string examples ( marks the end of the output): Value. {}.3 # 2 Integers and 2 floats 2 0 0.333333333333 0.333333333333 We can also a = [1,2,3,4,5,6,7,8] # printing a list >>> print a # printing a [1, 2, 3, 4, 5, 6, 7, We can also be explicit about the format that we want our print statements to have. Python will use such string as the function.s __doc__ string.
7.1. String — Common string operations — Jython v2.5.2
2. Syntax Summary. Strings are one of the basic Python variable types. So, all Format a string In particular, notice how the string p is different from the float pi. 2 3 4 5 6 u = s.upper(). print (u). l = s.lower(). print (l). swap = s.swapcase(). So far we have used the print function in two ways, when we had to print out more than two Since Python 2.6 has been introduced, the string method format should be used The second one "%8.2f" is a format description for a float number. Return a string representation of value, formatted according to the The format() function has many options specific to formatting numbers. to integers, there are specific formatters available for floating-point numbers. As you can see, the formatter will truncate.25 to.2 instead of rounding.
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