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Python

How to Create a Pandas Dataframe from Lists

January 10, 2018 by cmdlinetips

NumPy is fantastic for numerical data. One can really do powerful operations with numerical data easily and much faster. However, if your data is of mixed type, like some columns are strings while the others are numeric, using data frame with Pandas is the best option. How to Create Pandas Dataframe from lists? Let us […]

Filed Under: pandas data frame from list, Pandas DataFrame Tagged With: Create DataFrame From Lists In Python, create pandas dataframe, Pandas Dataframe, pandas dataframe from lists, Pandas Tips

How to read a numerical data/file in Python with numpy?

January 9, 2018 by cmdlinetips

Often you may need to read a file containing numerical data in Python for. One of the options is to import the file/data in Python is use Python’s NumPy library. There are number of advantages to use NumPy. NumPy is designed to deal with numerical data, it is fast and it has loads of built-in […]

Filed Under: NumPy, Python, Read Numerical Data in NumPy, Uncategorized Tagged With: Load Numerical Data in Python, np.loadtxt, NumPy, Python Tips

How to read entire text file in Python?

January 5, 2018 by cmdlinetips

Often one might need to read the entire content of a text file (or flat file) at once in python. In this post, we showed an example of reading the whole file and reading a text file line by line. Here is another way to import the entire content of a text file.

Filed Under: Python, Python Tips, Read A Text File Tagged With: Python, Python read, Python Tips

5 Examples of Using List Comprehensions in Python

May 1, 2017 by cmdlinetips

List Comprehensions in Python are awesome. List Comprehensions lets your create lists without actually writing a for loop. A while back wrote a post on some examples of using List Comprehensions in Python. Here are 5 more examples of List Comprehensions, that will come in extremely handy whenever you deal with lists in Python. 1. […]

Filed Under: Python, Python List Comprehensions, Python Tips Tagged With: Python List Comprehensions

Three Ways to Merge (or flatten) Lists in Python

April 30, 2017 by cmdlinetips

Often you may have to flatten a list of lists or merge multiple lists into a single list in python. Obviously there are multiple ways to go about it. Here are three ways to flatten or merge lists in to a list. Merge with “+” Operator” If you have three separate lists like [1, 2, […]

Filed Under: Python, Python List Comprehensions, Python Tips Tagged With: Merge a list of lists in Python, Python

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