by Suf | Jun 18, 2022 | Programming, Python, Tips
In Python, you cannot access values inside a _csv.reader object using indexing syntax. The reader() method from the csv module returns a _csv.reader object, which is an iterable containing the lines of the file. We can solve this error by converting the _csv.reader...
by Suf | Jun 18, 2022 | Programming, Python, Tips
This error occurs when you try to serialize a pandas Timestamp object to a JSON string using the json.dumps() method. You can solve this error by converting the Timestamp to a string using the build in str() method. For example, import json import pandas as pd...
by Suf | Jun 18, 2022 | Programming, Python, Tips
This error occurs when you try to serialize a map object to a JSON string using the json.dumps() method. You can solve this error by converting the map to a list using the list() method. For example, import json lst = [2, 7, 19, 20] res = map(lambda x: x ** 2, lst)...
by Suf | Jun 17, 2022 | Programming, Python, Tips
This error occurs when you try to call the keys() method on a list as if it were a Python dictionary. You can solve this error by calling the keys() method on a dict instead of a list. If you have a list of dictionaries, you can access each dictionary using the...
by Suf | Jun 16, 2022 | Programming, Python, Tips
This error occurs when you try to call the astype() method on a list as if it were a NumPy ndarray. You can solve this error by converting the list to an array using the numpy.array() method then call the astype() method. For example, import numpy as np lst = [1, 2,...
by Suf | Jun 14, 2022 | Programming, Python, Tips
This error occurs when you try to use the csv module without importing it first. You can solve this error by importing the module using the import keyword. For example, import csv filename = ‘fiel.csv’ with open(filename, ‘r’) as csvfile:...
