python

[Solved] Map column birthdates in python pandas df to astrology signs

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[ad_1] You can apply the zodiac_sign function to the dataframe as – import pandas as pd from io import StringIO # Sample x = StringIO(“””birthdate,answer,YEAR,MONTH-DAY 1970-03-31,5,1970,03-31 1970-05-25,9,1970,05-25 1970-06-05,3,1970,06-05 1970-08-28,2,1970,08-28 “””) df = pd.read_csv(x, sep=’,’) df[‘birthdate’] = pd.to_datetime(df[‘birthdate’]) df[‘zodiac_sign’] = df[‘birthdate’].apply(lambda x: zodiac_sign(x.day, x.strftime(“%B”).lower())) print(df) Output: birthdate answer YEAR MONTH-DAY zodiac_sign 0 1970-03-31 5 1970 03-31 … Read more

[Solved] Dictionary all for one

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[ad_1] First of all, just printing the dictionary itself will print everything on one line: >>> dicMyDictionary = {“michael”:”jordan”, “kobe”:”bryant”, “lebron”:”james”} >>> print(dicMyDictionary) {‘kobe’: ‘bryant’, ‘michael’: ‘jordan’, ‘lebron’: ‘james’} If you want to format it in some way: >>> print(‘ ‘.join(str(key)+”:”+str(value) for key,value in dicMyDictionary.iteritems())) kobe:bryant michael:jordan lebron:james ref: str.join, dict.iteritems Or with a for … Read more

[Solved] What’s the difference between ‘==’ and ‘in’ in if conditional statements?

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[ad_1] The first statement if keyword.lower() in normalized: is checking if keyword.lower() string is one of the elements inside the list normalized. This is True. The other statement if keyword.lower() == normalized: is checking if keyword.lower() string has same value as normalized list. This is False. 1 [ad_2] solved What’s the difference between ‘==’ and … Read more

[Solved] How to extract string using RE in python?

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[ad_1] seems like a crazy question but why not >>> myval=”ObjectId(“5a60a394ac73c233ba1acc55″)” >>> myval.split(“(“)[1] ‘”5a60a394ac73c233ba1acc55”)’ >>> myval.split(“(“)[1].split(“)”)[0] ‘”5a60a394ac73c233ba1acc55″‘ >>> import re >>> re.findall(‘[a-zA-z0-9]’, myval.split(“(“)[1].split(“)”)[0]) [‘5’, ‘a’, ‘6’, ‘0’, ‘a’, ‘3’, ‘9’, ‘4’, ‘a’, ‘c’, ‘7’, ‘3’, ‘c’, ‘2’, ‘3’, ‘3’, ‘b’, ‘a’, ‘1’, ‘a’, ‘c’, ‘c’, ‘5’, ‘5’] >>> “”.join(re.findall(‘[a-zA-z0-9]’, myval.split(“(“)[1].split(“)”)[0])) ‘5a60a394ac73c233ba1acc55’ [ad_2] solved How to … Read more

[Solved] How do I determine the length of a list in python?How do I determine the length of a list in python?How do I determine the length of a list in python? [closed]

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[ad_1] How do I determine the length of a list in python?How do I determine the length of a list in python?How do I determine the length of a list in python? [closed] [ad_2] solved How do I determine the length of a list in python?How do I determine the length of a list in … Read more

[Solved] Lists in Python 2.7 (compatible with 3.x)

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[ad_1] You need a little more debugging here. For instance, check that your split gives you what you want. Second, please read https://stackoverflow.com/help/mcve — this lists our expectations for posting. Giving the actual input and error message would have given you an answer much sooner: you fed a list to fnmatch, which expects a string. … Read more

[Solved] Could you please explain this piece of code?

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[ad_1] This is a very concise list comprehension form, which is equivalent to the following: res = [] for value in db.cursor.fetchall(): pairs = [] for index, column in enumerate(value): pairs.append((columns[index][0], column)) d = dict(pairs) res.append(d) The res list is equivalent to what you wrote above. 1 [ad_2] solved Could you please explain this piece … Read more

[Solved] List of band names of image in Python [closed]

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[ad_1] a_collection.getInfo()[‘features’][0][‘bands’] or even better: a_collection.first().bandNames().getInfo() The following tutorial is also a useful source. https://colab.research.google.com/github/csaybar/EEwPython P.S. It is intentional to have the address attached to the hyperlink visible. As opposed to some thing like CLICK HERE. [ad_2] solved List of band names of image in Python [closed]

[Solved] How do I write code for a specific matrix?

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[ad_1] Here’s the Pythonic way to do it: sz = int(input(“Size? “)) print(“\n”.join([” “.join([str(base + delta + 1) for delta in range(sz)]) for base in range(sz)])) Sample runs are (for inputs of 4 and 5): Size? 4 1 2 3 4 2 3 4 5 3 4 5 6 4 5 6 7 Size? 5 … Read more

[Solved] Do these word mean the same thing? [closed]

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[ad_1] Yes, probably putting “valid” as a prefix is just a way to affirmate that you have to create an attribute reference that makes sense or just to follow good habits. There goes a post to good habits when creating variables/references: https://towardsdatascience.com/data-scientists-your-variable-names-are-awful-heres-how-to-fix-them-89053d2855be [ad_2] solved Do these word mean the same thing? [closed]