python

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

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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 aries … Read more

[Solved] Dictionary all for one

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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 loop … Read more

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

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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 solved What’s the difference between ‘==’ and ‘in’ in … Read more

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

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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’ solved How to extract string … 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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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] 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 … Read more

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

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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. You’re … Read more

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

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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 solved Could you please explain this piece of code?

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

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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. solved List of band names of image in Python [closed]

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

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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 1 … Read more

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

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