Python Comments Python comments are programmer-readable explanations or comments added to Python source code. Their purpose is to make the source code easier for humans to understand and are ignored by the Python interpreter. Comments improve code readability and help…
Updating Tuples in Python In Python, a tuple is an immutable data type. Once created in memory, an immutable object cannot be modified. Example 1 If we try to assign a new value to a tuple item using the slice…
Python if-else Statement In addition to using the if statement, you can optionally use the else keyword. This provides an alternative block of statements to execute if the Boolean expression (in the if statement) is not true. This flowchart illustrates…
Python Dictionary Exercise Example 1 A Python program that creates a new dictionary by extracting keys from a given dictionary. d1 = {"one":11, "two":22, "three":33, "four":44, "five":55} keys = ['two', 'five'] d2={} for k in keys: d2[k]=d1[k] print (d2) It…
Sending Mail with Python Applications that handle and deliver Internet email are called “mail servers.” The Simple Mail Transfer Protocol (SMTP) is a protocol that handles email sending and routing between mail servers. It is the Internet standard for email…
Python Default Parameters You can define a function with default values assigned to one or more formal parameters. If no value is passed, Python uses the default value for that parameter. If a value is passed, the default value is…
Python Array Practice Example 1 Python Program to Find the Largest Number in an Array – import array as arr a = arr.array('i', [10, 5, 15, 4, 6, 20, 9]) print (a) largest = a[0] for i in range(1, len(a)):…
Python Reflection In object-oriented programming, reflection refers to the ability to extract information about any object you’re working with. You can find out what type an object is, whether it’s a subclass of any other class, its attributes, and so…
Python Arrays Python’s standard data types, list, tuple, and string, are all sequence data. Sequence objects are ordered collections, with each element identified by an index starting at zero and increasing in value. Furthermore, the elements in a sequence do…
Python try-except block You can also use the except statement without defining any exceptions, as shown below − try: You do your operations here …………………. except: If there is any exception, then execute this block. …………………. else: If there is…