Course Content
What is Python?
Introduction of Python and Its setup
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Control Statement
Control statements are used to control the flow of execution depending upon the specified condition/logic.
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File Handling
File handling is an important component of any application. Python has multiple functions for creating, reading, updating, and deleting files.
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Python
    About Lesson

    Control statements in Python are used to alter the flow of execution in a program. They enable you to make decisions, iterate over sequences, and execute code repeatedly. In this tutorial, we’ll explore three fundamental control statements in Python: if statement, for loop, and while loop.

    Control statements are used to control the flow of execution depending upon the specified condition/logic.

     

    1) if- Statement

    An if statement is a programming conditional statement that, if the condition is true, it executes the block of code inside of it.

    if- Statement

    if condition:
    # code block to execute if condition is true

     

    Example:

    x = 10

    if x > 5:
    print("x is greater than 5")

     

    In this example, "x is greater than 5" will be printed because the condition x > 5 evaluates to True.

     

    books = 2  
    if (books == 2) :
       print("You have ")  
       print("Two books")  
    print("Outside of if statement") 

    In the above code, we are checking if books are equal to 2, then execute the given code.

     

    2) if-else statement

    The if-else statement executes some code if the test expression is true (non-zero) and some other code if the test expression is false.

    if-else Statement

    a = 10  
    if a < 100:   
          print('less than 100')  
    else:  
          print('more than equal 100')

    In the above code, we are checking if a is less than 100, else will print “more than equal 100′.

     

    3) Nested If-Else Statement

    The nested if … else statement allows you to check for multiple test expressions and executes different codes for more than two conditions.

    num = float(input("enter a number:"))  
    if num >=0:  
         if num==0:  
             print("zero")  
    else:  
         print("Negative number")  

    In the above code, we are first checking if num is greater than or equal to 0 and then if it is zero if both the conditions are met, “zero” is printed, otherwise “Negative number”.