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To display at least two decimal places but without truncating significant digits: class D(decimal.Decimal): def __str__(self): """Display at least two decimal places.""" result = str(self) i = result.find('.') if i == -1: # No '.' in self. Pad with '.00'.
6 lis 2013 · If you are still on Python 2, you can use defaultdict with string.Formatter to achieve this: >>> format_string = '{foo:<2s}{bar:<3s}' >>> data = {'bar': 'baz'} >>> string.Formatter().vformat(format_string, (), defaultdict(str, data)) ' baz'
18 sty 2024 · You can limit a float to 2 decimal places using either f-strings or the format() method. For f-strings, use f”{value:.2f}” and for format(), use “{:.2f}”.format(value).
7 paź 2021 · Remove All Decimal Places. There are several ways to format a number to have no decimal places. One obvious way is to simply remove the decimal part from our format string: SELECT TO_CHAR(7, 'fm9') FROM DUAL; Result: 7. But we can also use other functions, such as ROUND(), TRUNC(), and CAST() to achieve the same, or similar effect. See 4 Ways ...
Use {} as a variable inside the formatting brackets (h/t Peter Beens for tip). This example uses a precision variable to control how many decimal places to show: pi = 3.1415926 precision = 4 print( "{:.{}f}".format( pi, precision ) ) >>> 3.1415.
30 maj 2022 · The simplest way to use the format () function is to insert empty placeholders {} in the string, then pass the needed variables as arguments. >>> print("Apples can be {}, {}, and {}.".format("red", "yellow", "green")) Apples can be red, yellow, and green.
To format the float numbers to 2 decimal places use the format specifier {:.2f} or {:.nf} for n decimal places in format() function or f-string. Python format number to 2 decimal places num = 3.141592653589793 # 👉 Method 1: print("num round to 2 decimal is {:.2f}".format(num)) # 👉 Method 2: print(f"num round to 2 decimal is {num:.2f}")
