Python 编程骚操作连载（一）- 字符串、列表、字典和集合的处理（Part A）

str = "A&man$;*who/stands|for+noting=will-fall,for%anything"
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str = "A man who stands for noting will fall for anything"
str_list = str.split()
print(str_list)
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['A', 'man', 'who', 'stands', 'for', 'noting', 'will', 'fall', 'for', 'anything']
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str = "A&man$;*who/stands|for+noting=will-fall,for%anything"
# 第一次处理
res = str.split('&')
print(res)
temp = []
list(map(lambda x: temp.extend(x.split('$')), res))
print(temp)
# 第二次处理
res = temp
temp = []
list(map(lambda x: temp.extend(x.split(';')), res))
print(temp)
# 第三次处理
res = temp
temp = []
list(map(lambda x: temp.extend(x.split('*')), res))
print(temp)
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['A', 'man$;*who/stands|for+noting=will-fall,for%anything']
['A', 'man', ';*who/stands|for+noting=will-fall,for%anything']
['A', 'man', '', '*who/stands|for+noting=will-fall,for%anything']
['A', 'man', '', '', 'who/stands|for+noting=will-fall,for%anything']
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def split_multi_chars(str, chars):
    res = [str]
    for c in chars:
        t = []
        list(map(lambda x: t.extend(x.split(c)), res))
        res = t
        print(res)
    return res
str_data = "A&man$;*who/stands|for+noting=will-fall,for%anything"
chars = '&$;*/|+=-,%'
print(split_multi_chars(str_data, chars))
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['A', 'man$;*who/stands|for+noting=will-fall,for%anything']
['A', 'man', ';*who/stands|for+noting=will-fall,for%anything']
['A', 'man', '', '*who/stands|for+noting=will-fall,for%anything']
['A', 'man', '', '', 'who/stands|for+noting=will-fall,for%anything']
['A', 'man', '', '', 'who', 'stands|for+noting=will-fall,for%anything']
['A', 'man', '', '', 'who', 'stands', 'for+noting=will-fall,for%anything']
['A', 'man', '', '', 'who', 'stands', 'for', 'noting=will-fall,for%anything']
['A', 'man', '', '', 'who', 'stands', 'for', 'noting', 'will-fall,for%anything']
['A', 'man', '', '', 'who', 'stands', 'for', 'noting', 'will', 'fall,for%anything']
['A', 'man', '', '', 'who', 'stands', 'for', 'noting', 'will', 'fall', 'for%anything']
['A', 'man', '', '', 'who', 'stands', 'for', 'noting', 'will', 'fall', 'for', 'anything']
['A', 'man', '', '', 'who', 'stands', 'for', 'noting', 'will', 'fall', 'for', 'anything']
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def split_multi_chars(str, chars):
    
    # 其余代码保持不变
    
    # 使用列表推导式去除空字符串
    return list(x for x in t if x)
# 其余代码保持不变
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# 其余输出结果与上次一致
['A', 'man', 'who', 'stands', 'for', 'noting', 'will', 'fall', 'for', 'anything']
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import re
str = "A&man$;*who/stands|for+noting=will-fall,for%anything"
chars = '&$;*/|+=-,%'
res = re.split(r'[=,&$;*/|+%-]+', str)
print(res)
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['A', 'man', 'who', 'stands', 'for', 'noting', 'will', 'fall', 'for', 'anything']
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'Started GET "/students" for 127.0.0.1 at 2022-06-11 01:28:05 +0800'
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import re
log = 'Started GET "/students" for 127.0.0.1 at 2022-06-11 01:28:05 +0800'
res = re.sub('(\d{4})-(\d{2})-(\d{2})', r'\2/\3/\1', log)
# 给每个组起名
res_01 = re.sub('(?P<year>\d{4})-(?P<month>\d{2})-(?P<day>\d{2})', r'\g<month>/\g<day>/\g<year>', log)
print(res)
print(res_01)
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Started GET "/students" for 127.0.0.1 at 06/11/2022 01:28:05 +0800
Started GET "/students" for 127.0.0.1 at 06/11/2022 01:28:05 +0800
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str_01 = '234324'
str_02 = 'adcdaf'
print(str_01.__add__(str_02))
print(str.__add__(str_01, str_02))
print(dir(str))
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new_str = ' '.join(['A', 'man', 'who', 'stands', 'for', 'noting', 'will', 'fall', 'for', 'anything'])
print(new_str)
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A man who stands for noting will fall for anything
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list_data = ['A', 'man', 'who', 123, 'for', 1345, 'will', 'fall']
new_str = ''.join(str(x) for x in list_data)
print(new_str)
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Amanwho123for1345willfall
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