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55<H2><A NAME="SECTION006110000000000000000">
564.1.1 String constants</A>
57</H2>
58
59<P>
60The constants defined in this module are:
61
62<P>
63<dl><dt><b><tt id='l2h-818' xml:id='l2h-818'>ascii_letters</tt></b></dt>
64<dd>
65 The concatenation of the <tt class="constant">ascii_lowercase</tt> and
66 <tt class="constant">ascii_uppercase</tt> constants described below. This value is
67 not locale-dependent.
68</dd></dl>
69
70<P>
71<dl><dt><b><tt id='l2h-819' xml:id='l2h-819'>ascii_lowercase</tt></b></dt>
72<dd>
73 The lowercase letters <code>'abcdefghijklmnopqrstuvwxyz'</code>. This
74 value is not locale-dependent and will not change.
75</dd></dl>
76
77<P>
78<dl><dt><b><tt id='l2h-820' xml:id='l2h-820'>ascii_uppercase</tt></b></dt>
79<dd>
80 The uppercase letters <code>'ABCDEFGHIJKLMNOPQRSTUVWXYZ'</code>. This
81 value is not locale-dependent and will not change.
82</dd></dl>
83
84<P>
85<dl><dt><b><tt id='l2h-821' xml:id='l2h-821'>digits</tt></b></dt>
86<dd>
87 The string <code>'0123456789'</code>.
88</dd></dl>
89
90<P>
91<dl><dt><b><tt id='l2h-822' xml:id='l2h-822'>hexdigits</tt></b></dt>
92<dd>
93 The string <code>'0123456789abcdefABCDEF'</code>.
94</dd></dl>
95
96<P>
97<dl><dt><b><tt id='l2h-823' xml:id='l2h-823'>letters</tt></b></dt>
98<dd>
99 The concatenation of the strings <tt class="constant">lowercase</tt> and
100 <tt class="constant">uppercase</tt> described below. The specific value is
101 locale-dependent, and will be updated when
102 <tt class="function">locale.setlocale()</tt> is called.
103</dd></dl>
104
105<P>
106<dl><dt><b><tt id='l2h-824' xml:id='l2h-824'>lowercase</tt></b></dt>
107<dd>
108 A string containing all the characters that are considered lowercase
109 letters. On most systems this is the string
110 <code>'abcdefghijklmnopqrstuvwxyz'</code>. Do not change its definition --
111 the effect on the routines <tt class="function">upper()</tt> and
112 <tt class="function">swapcase()</tt> is undefined. The specific value is
113 locale-dependent, and will be updated when
114 <tt class="function">locale.setlocale()</tt> is called.
115</dd></dl>
116
117<P>
118<dl><dt><b><tt id='l2h-825' xml:id='l2h-825'>octdigits</tt></b></dt>
119<dd>
120 The string <code>'01234567'</code>.
121</dd></dl>
122
123<P>
124<dl><dt><b><tt id='l2h-826' xml:id='l2h-826'>punctuation</tt></b></dt>
125<dd>
126 String of ASCII characters which are considered punctuation
127 characters in the "<tt class="samp">C</tt>" locale.
128</dd></dl>
129
130<P>
131<dl><dt><b><tt id='l2h-827' xml:id='l2h-827'>printable</tt></b></dt>
132<dd>
133 String of characters which are considered printable. This is a
134 combination of <tt class="constant">digits</tt>, <tt class="constant">letters</tt>,
135 <tt class="constant">punctuation</tt>, and <tt class="constant">whitespace</tt>.
136</dd></dl>
137
138<P>
139<dl><dt><b><tt id='l2h-828' xml:id='l2h-828'>uppercase</tt></b></dt>
140<dd>
141 A string containing all the characters that are considered uppercase
142 letters. On most systems this is the string
143 <code>'ABCDEFGHIJKLMNOPQRSTUVWXYZ'</code>. Do not change its definition --
144 the effect on the routines <tt class="function">lower()</tt> and
145 <tt class="function">swapcase()</tt> is undefined. The specific value is
146 locale-dependent, and will be updated when
147 <tt class="function">locale.setlocale()</tt> is called.
148</dd></dl>
149
150<P>
151<dl><dt><b><tt id='l2h-829' xml:id='l2h-829'>whitespace</tt></b></dt>
152<dd>
153 A string containing all characters that are considered whitespace.
154 On most systems this includes the characters space, tab, linefeed,
155 return, formfeed, and vertical tab. Do not change its definition --
156 the effect on the routines <tt class="function">strip()</tt> and <tt class="function">split()</tt>
157 is undefined.
158</dd></dl>
159
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