## Python Return From Nested Function

This quick tutorial will show you how to return a value from a nested function. I assume you have your reasons for doing so. However, a word of warning: β‘ Attention: The main reason you want to create “nested functions”, i.e., inner and outer functions in Python, is to use them for closures and decorators. … Read more

## Python Function Return None Without Return Statement

The Python return keyword allows you to define the return value of a function (e.g., return X). If you don’t explicitly set a return value or you omit the return statement, Python will implicitly return the following default value: None. There are three cases of what a function can return: Case 1: The function has … Read more

## How to Apply a Function to a Python List

Problem Formulation and Solution Overview This article will show you how to apply a function to a List in Python. To make it more interesting, we have the following running scenario: As a Python assignment, you have been given a List of Integers and asked to apply a function to each List element in various … Read more

## How to Apply a Function to Each Cell in a Pandas DataFrame?

Problem Formulation Given the following DataFrame df: π¬ Challenge: How to apply a function f to each cell in the DataFrame? For example, you may want to apply a function that replaces all odd values with the value ‘odd’. Solution: DataFrame applymap() The Pandas DataFrame df.applymap() method returns a new DataFrame where the function f … Read more

## APL Developer – Income and Opportunity

Annual Income How much does a APL Developer make per year? The average annual income of a APL Developer is between \$65,000 and \$125,000 according to PayScale (source). Let’s have a look at the hourly rate of APL Developers next! Hourly Rate APL Developers are well-paid on freelancing platforms such as Upwork or Fiverr. Related … Read more

## Scala Developer – Income and Opportunity

Annual Income How much does a Scala Developer make per year? The average annual income of a Scala Developer is \$119,000 according to PayScale (source). Ziprecruiter even reports an annual average pay of \$141,810 for Scala developers. Here’s a more fine-grained income distribution per job title for Scala developers based on PayScale’s data: Let’s have … Read more

## Haskell Developer – Income and Opportunity

Annual Income How much does a Haskell Developer make per year? The average annual income of a Haskell Developer is \$126,000 according to PayScale (source). Glassdoor reports an annual income range from \$40k to \$155k (source). And here’s the most frequent developer roles of Haskell developers: Let’s have a look at the hourly rate of … Read more