Summary: Use one of the following ways to read a file line by line and store into a list: Using The readlines And strip Method Using rstrip() Use the for Loop and strip() method Use splitlines() Use The pathlib Library And The splitlines() Method Use List Comprehension Problem: How to read every line of a …
How to Read a File Line-By-Line and Store Into a List? Read More »
Summary: To kill a thread use one of the following methods: Create an Exit_Request flag. Using the multiprocessing Module. Using the trace Module. Using ctypes to raise Exceptions in a thread Problem: How to kill a thread in Python? This is one of the most commonly asked questions in Python. Thus, in this article, we …
Overview As a programmer, you might come across scenarios where you have to convert a string into a list. Now, your requirements might vary, depending on the goal of your program. For example: Example 1: Given a string containing words; how to extract each word of the string and store them as individual items in …
Summary: Use the built-in Python method zip() to iterate through two lists in parallel. The zip() method returns an iterator of tuples and the nth item of each iterator can be paired together using the zip() function. Other methods of iterating through lists in parallel include the enumerate() method and the traditional approach of iterating …
Introduction To Scope In Python ❖ What is Name in Python? Everything in Python is an object. Since everything is an object we need to identify and distinguish each type of object from one another and this is what a name does. Name is simply a unique name given to objects in Python so that …
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Summary: Flattening a list means converting a nested list into a simple single-dimensional list. To flatten a nested list we can use the for loop or the While loop or recursion or the deepflatten() Method. Other techniques include importing numerous external Python libraries and using their built-in functions. Overview Problem: Given a list of lists …
Summary: Use the isinstance(var, int) method to check if a variable is an Integer or not. The method checks if a specified object is of a specified type or not. Another method to check if the variable is an integer or not is the is_integer() function which checks if a given float variable holds an …
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Summary: Use one of the following methods to sort a dictionary by value: Using The sorted(dict1, key=dict1.get) Method. Using Dictionary Comprehension And Lambda With sorted() Method. Using OrderedDict (For Older Versions Of Python). Using itemgetter() with sorted() Method. Using Counter subclass. Problem: Given a dictionary; how to sort it by values? Example: The following example …
Overview Computing primes from a given series of numbers might not be a big issue. However, computing primes in the most effective manner keeping the time complexity and other factors in mind might be a challenging issue. After all, one of the major criteria of an effective code is its efficiency. Therefore, in this article, …
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Summary: Metaclasses are a class of a class. In other words, a class is an instance of a metaclass. Metaclass can be created using two methods: (1) type Class which is the built-in metaclass in Python. (2) Creating custom metaclass using the metaclass keyword. Problem: What are metaclasses and why do we use them in …
Introduction To yield In Python While using a function, we generally use the return keyword to return a value computed by the function. Similarly, the yield keyword also returns a value from a function, but it also maintains the state of the local variables inside the function and when the function is reused in the …
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Summary: Use the global keyword to declare a global variable inside the local scope of a function so that it can be modified or used outside the function as well. To use global variables across modules create a special configuration module and import the module into our main program. The module is available as a …
How to Use Global Variables In a Python Function? Read More »