1fromitertoolsimportislice,cycle2foriinislice(cycle('abcde'),5):3print(i)4#输出结果5'''6a7b8c9d10e11'''
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We have a closure in Python when: A nested function references a value of its enclosing function and then the enclosing function returns the nested function. def get_multiplier(a): def out(b): return a * b return out >>> multiply_by_3 = get_multiplier(3) >>> multiply_by_3(10) 30...
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For proxy rotation, you can use a loop and itertools module to keep changing proxies. Copyimport requests from itertools import cycle proxy-pool = [ ] proxies = cycle(proxy-pool) for i in range(10): newProxy = next(proxies) proxies = { 'http': newProxy, 'https': newProxy, } try:...
As you can notice that the executable program size is too big, and my python code is less than 200 lines. The only lib I used in code ispandasand buildins: importpandasaspdfromitertoolsimportcombinationsfromfunctoolsimportreducefromitertoolsimportgroupby ...
"from itertools import product\n", "from sklearn.linear_model import Lasso, LassoCV, LogisticRegression, LogisticRegressionCV,LinearRegression,MultiTaskElasticNet,MultiTaskElasticNetCV\n", "from sklearn.linear_model import (Lasso, LassoCV, LogisticRegression,\n", " LogisticRegressionCV,LinearRegressio...