Strings de formatação de Python

Number		Format		Output   					Description
3.1415926	{:.2f}		3.14			Format float 2 decimal places
3.1415926	{:+.2f}		+3.14			Format float 2 decimal places with sign
-1	{:+.2f}				-1.00					Format float 2 decimal places with sign
2.71828	{:.0f}			3					Format float with no decimal places
5	{:0>2d}				05						Pad number with zeros (left padding, width 2)
5	{:x<4d}				5xxx					Pad number with x’s (right padding, width 4)
10	{:x<4d}				10xx					Pad number with x’s (right padding, width 4)
1000000	{:,}			1,000,000	      Number format with comma separator
0.25	{:.2%}		    25.00%	         Format percentage
1000000000	{:.2e}		1.00e+09		Exponent notation
13	{:10d}	      	    13				Right aligned (default, width 10)
13	{:<10d}				13						Left aligned (width 10)
13	{:^10d}	    		13					Center aligned (width 10)
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