Let’s say there are two numbers and we want to find out the maximum of the two numbers. One way to do so is to use a simple function that takes two arguments a and b. If a > b, it returns a. Otherwise, it returns b. Another option is to use a lambda function in...

Let’s say we have a Python list, tuple, set, or dictionary. And, we want to iterate through the items stored in that object. One way to iterate through the stored items in the list, set, tuple, or dictionary is to use a for loop in the following way: # A list of...

A Python module may contain a set of Python functions or other values and we can easily import those functions or values to another Python program and use them. For example, let’s say the file factorial.py contains a function compute_factorial(). The...

In Python, we can use the format() method to format a string. We first define a string using format fields in the following way: s1 = "{} {}! How are you?" s2 = "Hi {0} and {1}! Welcome!" And, then, we call the format() method to replace the format fields within the...

Let’s say we want to print today’s date or calculate the age of a person. In Python, we can do so easily using the datetime module. The datetime module can be imported in Python in the following way: import datetime Now, let’s say we want to print today’s date and...