In [ ]:
aString = "I am string"
aString
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aString = 'python is fun'
aString
len(aString)
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# 切片
print aString[2]
print aString[0:5]
print aString[:5]
print aString[-3:]
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# 修改，注意：字符串是不可变的
aString = aString[:10] + 'cool'
aString
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# 连接
print aString + aString
print aString * 3
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print aString
print 'a' in aString
print 'python' in aString
print 'cool' not in aString
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len(aString)
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enumerate(aString)
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for i, s in enumerate(aString):
print i, s
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print "string: %s." % "wo, python is cool"
print 'string: "%s".' % "this is so cool"
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print "int: %d." % 123456
print "int: %+d." % 123456
print "int: %+d." % -123456
print "int: %-d." % 123456
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print "float: %f." % 12.3456
print "float: %.2f." % 12.3456
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print "MM/DD/YY = %02d/%02d/%d" % (12, 5, 2013)
print "MM/DD/YY = %02d/%02d/%d" % (12, 25, 2013)
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# 换行符 \n
print "python is cool.\npython is fun"
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# tab \t
print "python is cool.\n\tpython is fun"
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print aString
print aString.capitalize()
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print aString.isalpha()
print "python".isalpha()
print aString.isdigit()
print "123456".isdigit()
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print ", ".join(aString)
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print aString.upper()
print "PYTHON".lower()
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tempString = " wo python "
print tempString.lstrip()
print tempString.rstrip()
print tempString.strip()
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print aString
print aString.replace("cool", "fun")
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print aString.split(" ")
print aString.split("is")
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print aString
print aString.startswith("python")
print aString.endswith("cool")
In [ ]:
aString = """python is cool.
python is fun."""
aString
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aString = '''python is cool.
python is fun.
python is awesome.'''
aString
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strChinese = "编程"
print strChinese
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print strChinese.decode("utf-8")
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print strChinese.decode("utf-8")
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print u"编程"
print unicode("编程", "utf-8")
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print type(strChinese)
strChinese = unicode("编程", "utf-8")
type(strChinese)
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import string
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string.ascii_letters
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string.ascii_lowercase
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string.ascii_uppercase
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string.digits
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strTemplate = string.Template("${what} is ${how}")
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print strTemplate.substitute(what="Python", how="cool")
print strTemplate.substitute(what="Python", how="fun")
print strTemplate.substitute(what="String", how="cool")
print strTemplate.substitute(what="String", how="fun")
In [ ]:
# --------------------------------------------------------------------------------
# Copyright (c) 2013 Mack Stone. All rights reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
# --------------------------------------------------------------------------------