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Difference between revisions of "AmigaOS Manual: Python Methods"
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Revision as of 00:57, 14 February 2021
Contents
- 1 Built-in Methods for Strings
- 1.1 .capitalize()
- 1.2 .center()
- 1.3 .count()
- 1.4 .decode()
- 1.5 .encode()
- 1.6 .endswith()
- 1.7 .expandtabs()
- 1.8 .find()
- 1.9 .index()
- 1.10 .isalnum()
- 1.11 .isalpha()
- 1.12 .isdecimal()
- 1.13 .isdigit()
- 1.14 .islower()
- 1.15 .isnumeric()
- 1.16 .isspace()
- 1.17 .istitle()
- 1.18 .isupper()
- 1.19 .join()
- 1.20 .len()
- 1.21 .ljust()
- 1.22 .lower()
- 1.23 .lstrip()
- 1.24 .maketrans()
- 1.25 .max()
- 1.26 .min()
- 1.27 .replace()
- 1.28 .rfind()
- 1.29 .rindex()
- 1.30 .rjust()
- 1.31 .rstrip()
- 1.32 .split()
- 1.33 .splitlines()
- 1.34 .startswith()
- 1.35 .strip()
- 1.36 .swapcase()
- 1.37 .title()
- 1.38 .translate()
- 1.39 .upper()
- 1.40 .zfill()
- 2 Built-in Methods for Lists
- 3 Built-in Methods for Sets
- 4 Built-in Methods for Dictionaries
Built-in Methods for Strings
.capitalize()
<stringobject>.capitalize()
Returns a string where the first character is upper case. For example:
text = "python for everybody." txt = text.capitalize() print( txt )
Output:
Python for everybody.
.center()
<stringobject>.center(<length>[, <fillchar>])
Returns a string that is aligned to the center using character <fillchar>. The returned string is <length> characters long. If the specified length is less than the <stringobject> string's length, the original <stringobject> will be returned. If you omit the fill character, space will be used as a filler.
For example:
text = "The Core of the Sun" txt = text.center( 25, '-' ) print( txt )
Output:
---The Core of the Sun---
.count()
<stringobject>.count(<substring>[, <start>][, <end>])
Returns the number of times the supplied string <substring> appears in the <stringobject> string. By default .count() searches the <substring> from the beginning of the <stringobject> string to the end of the string.
You can change the search range with the start and end parameters. The start parameter specifies the string position where the search range should start (0 is the start of the string) and the end parameter the string position where the search should end.
For example:
text = "I love AmigaOS. AmigaOS is my favourite operating system." times = text.count( "AmigaOS" ) print( times )
Output:
2
.decode()
<stringobject>.decode([encoding=<encoding>][, errors=<errors>])
Decodes an encoded <stringobject> string and returns the result to the caller. The optional encoding parameter specifies the codec to use and the optional errors parameter the error handling method.
The following codecs are available:
Codec | Aliases | Languages |
---|---|---|
ascii | 646, us-ascii | English |
big5 | big5-tw, csbig5 | Traditional Chinese |
big5hkscs | big5-hkscs, hkscs | Traditional Chinese |
cp037 | IBM037, IBM039 | English |
cp424 | EBCDIC-CP-HE, IBM424 | Hebrew |
cp437 | 437, IBM437 | English |
cp500 | EBCDIC-CP-BE, EBCDIC-CP-CH, IBM500 | Western Europe |
cp720 | Arabic | |
cp737 | Greek | |
cp775 | IBM775 | Baltic languages |
cp850 | 850, IBM850 | Western Europe |
cp852 | 852, IBM852 | Central and Eastern Europe |
cp855 | 855, IBM855 | Bulgarian, Byelorussian, Macedonian, Russian, Serbian |
cp856 | Hebrew | |
cp857 | 857, IBM857 | Turkish |
cp858 | 858, IBM858 | Western Europe |
cp860 | 860, IBM860 | Portuguese |
cp861 | 861, CP-IS, IBM861 | Icelandic |
cp862 | 862, IBM862 | Hebrew |
cp863 | 863, IBM863 | Canadian |
cp864 | IBM864 | Arabic |
cp865 | 865, IBM865 | Danish, Norwegian |
cp866 | 866, IBM866 | Russian |
cp869 | 869, CP-GR, IBM869 | Greek |
cp874 | Thai | |
cp875 | Greek | |
cp932 | 932, ms932, mskanji, ms-kanji | Japanese |
cp949 | 949, ms949, uhc | Korean |
cp950 | 950, ms950 | Traditional Chinese |
cp1006 | Urdu | |
cp1026 | ibm1026 | Turkish |
cp1140 | ibm1140 | Western Europe |
cp1250 | windows-1250 | Central and Eastern Europe |
cp1251 | windows-1251 | Bulgarian, Byelorussian, Macedonian, Russian, Serbian |
cp1252 | windows-1252 | Western Europe |
cp1253 | windows-1253 | Greek |
cp1254 | windows-1254 | Turkish |
cp1255 | windows-1255 | Hebrew |
cp1256 | windows-1256 | Arabic |
cp1257 | windows-1257 | Baltic languages |
cp1258 | windows-1258 | Vietnamese |
euc_jp | eucjp, ujis, u-jis | Japanese |
euc_jis_2004 | jisx0213, eucjis2004 | Japanese |
euc_jisx0213 | eucjisx0213 | Japanese |
euc_kr | euckr, korean, ksc5601, ks_c-5601, ks_c-5601-1987, ksx1001, ks_x-1001 | Korean |
gb2312 | chinese, csiso58gb231280, euc- cn, euccn, eucgb2312-cn, gb2312-1980, gb2312-80, iso- ir-58 | Simplified Chinese |
gbk | 936, cp936, ms936 | Unified Chinese |
gb18030 | gb18030-2000 | Unified Chinese |
hz | hzgb, hz-gb, hz-gb-2312 | Simplified Chinese |
iso2022_jp | csiso2022jp, iso2022jp, iso-2022-jp | Japanese |
iso2022_jp_1 | iso2022jp-1, iso-2022-jp-1 | Japanese |
iso2022_jp_2 | iso2022jp-2, iso-2022-jp-2 | Japanese, Korean, Simplified Chinese, Western Europe, Greek |
iso2022_jp_2004 | iso2022jp-2004, iso-2022-jp-2004 | Japanese |
iso2022_jp_3 | iso2022jp-3, iso-2022-jp-3 | Japanese |
iso2022_jp_ext | iso2022jp-ext, iso-2022-jp-ext | Japanese |
iso2022_kr | csiso2022kr, iso2022kr, iso-2022-kr | Korean |
latin_1 | iso-8859-1, iso8859-1, 8859, cp819, latin, latin1, L1 | West Europe |
iso8859_2 | iso-8859-2, latin2, L2 | Central and Eastern Europe |
iso8859_3 | iso-8859-3, latin3, L3 | Esperanto, Maltese |
iso8859_4 | iso-8859-4, latin4, L4 | Baltic languages |
iso8859_5 | iso-8859-5, cyrillic | Bulgarian, Byelorussian, Macedonian, Russian, Serbian |
iso8859_6 | iso-8859-6, arabic | Arabic |
iso8859_7 | iso-8859-7, greek, greek8 | Greek |
iso8859_8 | iso-8859-8, hebrew | Hebrew |
iso8859_9 | iso-8859-9, latin5, L5 | Turkish |
iso8859_10 | iso-8859-10, latin6, L6 | Nordic languages |
iso8859_11 | iso-8859-11, thai | Thai languages |
iso8859_13 | iso-8859-13, latin7, L7 | Baltic languages |
iso8859_14 | iso-8859-14, latin8, L8 | Celtic languages |
iso8859_15 | iso-8859-15, latin9, L9 | Western Europe |
iso8859_16 | iso-8859-16, latin10, L10 | South-Eastern Europe |
johab | cp1361, ms1361 | Korean |
koi8_r | Russian | |
koi8_u | Ukrainian | |
mac_cyrillic | maccyrillic | Bulgarian, Byelorussian, Macedonian, Russian, Serbian |
mac_greek | macgreek | Greek |
mac_iceland | maciceland | Icelandic |
mac_latin2 | maclatin2, maccentraleurope | Central and Eastern Europe |
mac_roman | macroman | Western Europe |
mac_turkish | macturkish | Turkish |
ptcp154 | csptcp154, pt154, cp154, cyrillic-asian | Kazakh |
shift_jis | csshiftjis, shiftjis, sjis, s_jis | Japanese |
shift_jis_2004 | shiftjis2004, sjis_2004, sjis2004 | Japanese |
shift_jisx0213 | shiftjisx0213, sjisx0213, s_jisx0213 | Japanese |
utf_32 | U32, utf32 | All languages |
utf_32_be | UTF-32BE | All languages |
utf_32_le | UTF-32LE | All languages |
utf_16 | U16, utf16 | All languages |
utf_16_be | UTF-16BE | All languages (BMP only) |
utf_16_le | UTF-16LE | All languages (BMP only) |
utf_7 | U7, unicode-1-1-utf-7 | All languages |
utf_8 | U8, UTF, utf8 | All languages |
utf_8_sig | All languages |
The errors parameter can have one of the following values:
Value | Description |
---|---|
backslashreplace | Uses a backslash instead of the character that could not be decoded. |
ignore | Ignores the characters that cannot be decoded. |
namereplace | Replaces the character with a text explaining the character. |
strict | Raises an error on failure. The default value. |
replace | Replaces the character with a questionmark. |
xmlcharrefreplace | Replaces the character with an XML character. |
- See also
.encode()
<stringobject>.encode(<encoding>, <errors>)
.endswith()
<stringobject>.endswith(<suffix>, <start>, <end>)
.expandtabs()
<stringobject>.expandtabs(<tabsize>)
.find()
<stringobject>.find(<string>, <start>, <end>)
.index()
<stringobject>.index(<string>, <start>, <end>)
.isalnum()
<stringobject>.isalnum()
.isalpha()
<stringobject>.isalpha()
.isdecimal()
<stringobject>.isdecimal()
.isdigit()
<stringobject>.isdigit()
Returns true if the string <stringobject> contains only digits.
.islower()
<stringobject>.islower()
.isnumeric()
<stringobject>.isnumeric()
.isspace()
<stringobject>.isspace()
.istitle()
<stringobject>.istitle()
.isupper()
<stringobject>.isupper()
.join()
<stringobject>.join(sequence)
.len()
<stringobject>.len()
Returns the length of the string <stringobject>.
.ljust()
<stringobject>.ljust(<width>[, <fillchar>])
.lower()
<stringobject>.lower()
.lstrip()
<stringobject>.lstrip()
.maketrans()
<stringobject>.maketrans()
.max()
<stringobject>.max(string)
.min()
<stringobject>.min(<string>)
.replace()
<stringobject>.replace(<old>, <new>[, <max>])
.rfind()
<stringobject>.rfind(<string>, <start>, <end>)
.rindex()
<stringobject>.rindex(<string>, <start>, <end>)
.rjust()
<stringobject>.rjust(<width>[, <fillchar>])
.rstrip()
<stringobject>.rstrip()
.split()
<stringobject>.split(<delimiter>, <splits>)
.splitlines()
<stringobject>.splitlines([<keeplinebreaks>])
Splits the string <stringobject> into a list. The splitting is done at line breaks. The optional parameter <keeplinebreaks> specifies if the line breaks should be included (True), or not (False). Default value is False
.startswith()
<stringobject>.startswith(<string>, <start>, <end>)
.strip()
<stringobject>.strip(<characters>)
.swapcase()
<stringobject>.swapcase()
.title()
<stringobject>.title()
.translate()
<stringobject>.translate(<translationtable>[, <deletechars>])
.upper()
<stringobject>.upper()
.zfill()
stringobject.zfill(width)