coding
python
print
format_spec ::= [[fill]align][sign][#][0][width][,][.precision][type]
fill ::= <any character>
align ::= "<" | ">" | "=" | "^"
sign ::= "+" | "-" | " "
width ::= integer
precision ::= integer
type ::= "b" | "c" | "d" | "e" | "E" | "f" | "F" | "g" | "G" | "n" | "o" | "s" | "x" | "X" | "%"
"{" [field_name] ["!" conversion] [":" format_spec] "}"
/ "r"|"s" \
/ (r)epr \
arg_name (s)tr \
| ("." attribute_name | "[" element_index "]")* \
| | | \
| identifier integer | index_string |
| (quotes |
[identifier integer] not required) |
|
_____________________________________________________/ \________
/ \
":" [[fill]align][sign][#][0][width][,][.precision][type]
[default]--> < left + | | (int) (int) b base 2
[default --> > right [-] | | c character
for ^ center " " | \ d base 10
numbers] = | `zero padding e exponent (e)
| E exponent (E)
use 0b,0o,0x f fixed point
for 2 8 16 F ^^(same)^^
[default]--> g general (???)
G general 2 (?)
n number (general 3)
o base 8
s string
(lower case) x base 16
(upper case) X base 16
(x100, f) % percentage
print ( " {:>6.5} " . format ( var )) # right aligned to 6 digits, precision 5 (5 numbers including point e.g. 0.123)
print ( " {:08} " . format ( var )) # filled up with 0 to 8 digits, 00001234
print ( "0x {:0x} " . format ( int ( var ))) # in hex small case, 0x4d2
print ( "0x {:0X} " . format ( int ( var ))) # in hex small case, 0x4D2
print ( " {:04x} " . format ( int ( var ))) # in hex small case, 0x04d2
print ( " {:04X} " . format ( int ( var ))) # in hex small case, 0x04D2
import numpy as np
float_array = np . linspace ( 1 , 9999 , num = 10 )
int_array = np . linspace ( 1 , 9999 , num = 10 ) . astype ( int )
string_array = [ "One" , "Two" , "Three" , "Four" , "Five" , "Six" , "Seven" , "Eight" , "Nine" , "Ten" ]
print ( "Choose Correct Placeholder" )
for i in range ( 0 , 10 ):
print ( " | {2:>7} | {1:>7} | {0:>7.6} |" . format ( float_array [ i ], int_array [ i ], string_array [ i ]))
# Choose Correct Placeholder
# | One | 1 | 1.0 |
# | Two | 1111 | 1111.89 |
# | Three | 2222 | 2222.78 |
# | Four | 3333 | 3333.67 |
# | Five | 4444 | 4444.56 |
# | Six | 5555 | 5555.44 |
# | Seven | 6666 | 6666.33 |
# | Eight | 7777 | 7777.22 |
# | Nine | 8888 | 8888.11 |
# | Ten | 9999 | 9999.0 |
print ( " \n Right aligned to 7 digits, precision 6 (numbers including point e.g. 0.1234)" )
for i in range ( 0 , 10 ):
print ( " | {:>7.6} | {:>7} | {:>7} |" . format ( float_array [ i ], int_array [ i ], string_array [ i ]))
# Right aligned to 7 digits, precision 6 (numbers including point e.g. 0.1234)
# | 1.0 | 1 | One |
# | 1111.89 | 1111 | Two |
# | 2222.78 | 2222 | Three |
# | 3333.67 | 3333 | Four |
# | 4444.56 | 4444 | Five |
# | 5555.44 | 5555 | Six |
# | 6666.33 | 6666 | Seven |
# | 7777.22 | 7777 | Eight |
# | 8888.11 | 8888 | Nine |
# | 9999.0 | 9999 | Ten |
print ( " \n Left aligned to 7 digits, precision 6 (numbers including point e.g. 0.1234)" )
for i in range ( 0 , 10 ):
print ( " | {:<7.6} | {:<7} | {:<7} |" . format ( float_array [ i ], int_array [ i ], string_array [ i ]))
# Left aligned to 7 digits, precision 6 (numbers including point e.g. 0.1234)
# | 1.0 | 1 | One |
# | 1111.89 | 1111 | Two |
# | 2222.78 | 2222 | Three |
# | 3333.67 | 3333 | Four |
# | 4444.56 | 4444 | Five |
# | 5555.44 | 5555 | Six |
# | 6666.33 | 6666 | Seven |
# | 7777.22 | 7777 | Eight |
# | 8888.11 | 8888 | Nine |
# | 9999.0 | 9999 | Ten |
print ( " \n Fill up with " 0 " or " - " or " = "" )
for i in range ( 0 , 10 ):
print ( " | {:09.6} | {:->7} | {:=<7} |" . format ( float_array [ i ], int_array [ i ], string_array [ i ]))
# Fill up with "0" or "-" or "="
# | 0000001.0 | ------1 | One==== |
# | 001111.89 | ---1111 | Two==== |
# | 002222.78 | ---2222 | Three== |
# | 003333.67 | ---3333 | Four=== |
# | 004444.56 | ---4444 | Five=== |
# | 005555.44 | ---5555 | Six==== |
# | 006666.33 | ---6666 | Seven== |
# | 007777.22 | ---7777 | Eight== |
# | 008888.11 | ---8888 | Nine=== |
# | 0009999.0 | ---9999 | Ten==== |
print ( " \n Print Hexadezimal stuff lower case" )
for i in range ( 0 , 10 ):
print ( " | 0x {0:>7x} | 0x {0:07x} | 0x {0:x} |" . format ( int_array [ i ]))
# Print Hexadezimal stuff lower case
# | 0x 1 | 0x0000001 | 0x1 |
# | 0x 457 | 0x0000457 | 0x457 |
# | 0x 8ae | 0x00008ae | 0x8ae |
# | 0x d05 | 0x0000d05 | 0xd05 |
# | 0x 115c | 0x000115c | 0x115c |
# | 0x 15b3 | 0x00015b3 | 0x15b3 |
# | 0x 1a0a | 0x0001a0a | 0x1a0a |
# | 0x 1e61 | 0x0001e61 | 0x1e61 |
# | 0x 22b8 | 0x00022b8 | 0x22b8 |
# | 0x 270f | 0x000270f | 0x270f |
print ( " \n Print Hexadezimal stuff uppder case" )
for i in range ( 0 , 10 ):
print ( " | 0x {0:>7X} | 0x {0:07X} | 0x {0:X} |" . format ( int_array [ i ]))
# Print Hexadezimal stuff uppder case
# | 0x 1 | 0x0000001 | 0x1 |
# | 0x 457 | 0x0000457 | 0x457 |
# | 0x 8AE | 0x00008AE | 0x8AE |
# | 0x D05 | 0x0000D05 | 0xD05 |
# | 0x 115C | 0x000115C | 0x115C |
# | 0x 15B3 | 0x00015B3 | 0x15B3 |
# | 0x 1A0A | 0x0001A0A | 0x1A0A |
# | 0x 1E61 | 0x0001E61 | 0x1E61 |
# | 0x 22B8 | 0x00022B8 | 0x22B8 |
# | 0x 270F | 0x000270F | 0x270F |