*Memo for string, bytes and bytearray functions:
- My post explains center().
- My post explains ljust().
- My post explains rjust().
- My post explains expandtabs().
*Memo for a string, bytes and bytearray:
str.zfill() and bytes.zfill() or bytearray.zfill() can add the zero or more 0s before the string and bytes or bytearray set width respectively as shown below:
*Memo:
- The 1st argument is
width(Required-Type:int):- It's the width of the string and bytes or bytearray respectively.
- Don't use
width=.
- If the 1st character and byte of the string and bytes or bytearray are
+or-, the zero or more 0s are added after them respectively.
<String>:
v = '1234' print(v.zfill(8)) # 00001234 print(v.zfill(7)) # 0001234 print(v.zfill(6)) # 001234 print(v.zfill(5)) # 01234 print(v.zfill(4)) # 1234 print('+1234'.zfill(8)) # +0001234 print('-1234'.zfill(8)) # -0001234 print('+-1234'.zfill(8)) # +00-1234 print('-+1234'.zfill(8)) # -00+1234 print('!1234'.zfill(8)) # 000!1234 v = 'abcd' print(v.zfill(8)) # 0000abcd print(v.zfill(7)) # 000abcd print(v.zfill(6)) # 00abcd print(v.zfill(5)) # 0abcd print(v.zfill(4)) # abcd print('+abcd'.zfill(8)) # +000abcd print('-abcd'.zfill(8)) # -000abcd print('+-abcd'.zfill(8)) # +00-abcd print('-+abcd'.zfill(8)) # -00+abcd print('!abcd'.zfill(8)) # 000!abcd <Bytes & Bytearray>:
bytes:
v = b'1234' print(v.zfill(8)) # b'00001234' print(v.zfill(7)) # b'0001234' print(v.zfill(6)) # b'001234' print(v.zfill(5)) # b'01234' print(v.zfill(4)) # b'1234' print(b'+1234'.zfill(8)) # b'+0001234' print(b'-1234'.zfill(8)) # b'-0001234' print(b'+-1234'.zfill(8)) # b'+00-1234' print(b'-+1234'.zfill(8)) # b'-00+1234' print(b'!1234'.zfill(8)) # b'000!1234' v = b'abcd' print(v.zfill(8)) # b'0000abcd' print(v.zfill(7)) # b'000abcd' print(v.zfill(6)) # b'00abcd' print(v.zfill(5)) # b'0abcd' print(v.zfill(4)) # b'abcd' print(b'+abcd'.zfill(8)) # b'+000abcd' print(b'-abcd'.zfill(8)) # b'-000abcd' print(b'+-abcd'.zfill(8)) # b'+00-abcd' print(b'-+abcd'.zfill(8)) # b'-00+abcd' print(b'!abcd'.zfill(8)) # b'000!abcd' bytearray:
v = bytearray(b'1234') print(v.zfill(8)) # bytearray(b'00001234') print(v.zfill(7)) # bytearray(b'0001234') print(v.zfill(6)) # bytearray(b'001234') print(v.zfill(5)) # bytearray(b'01234') print(v.zfill(4)) # bytearray(b'1234') print(bytearray(b'+1234').zfill(8)) # bytearray(b'+0001234') print(bytearray(b'-1234').zfill(8)) # bytearray(b'-0001234') print(bytearray(b'+-1234').zfill(8)) # bytearray(b'+00-1234') print(bytearray(b'-+1234').zfill(8)) # bytearray(b'-00+1234') print(bytearray(b'!1234').zfill(8)) # bytearray(b'000!1234') v = bytearray(b'abcd') print(v.zfill(8)) # bytearray(b'0000abcd') print(v.zfill(7)) # bytearray(b'000abcd') print(v.zfill(6)) # bytearray(b'00abcd') print(v.zfill(5)) # bytearray(b'0abcd') print(v.zfill(4)) # bytearray(b'abcd') print(bytearray(b'+abcd').zfill(8)) # bytearray(b'+000abcd') print(bytearray(b'-abcd').zfill(8)) # bytearray(b'-000abcd') print(bytearray(b'+-abcd').zfill(8)) # bytearray(b'+00-abcd') print(bytearray(b'-+abcd').zfill(8)) # bytearray(b'-00+abcd') print(bytearray(b'!abcd').zfill(8)) # bytearray(b'000!abcd') 
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