Python Fundamentals | Most Easiest and Powerful Language | Python Programming Article Series - Part 03

 

Python Fundamentals | Most Easiest and Powerful Language in the Industry of Technology | Python Programming Series-03

Lets move forward towards more interesting topics of the course "python fundamentals". We will cover the following topics in this part of Python Fundamentals course:

• Conditional Statements in Python
• If statement
• Simple if statement
• elif statement
• else statement
• Nested if statements
• While loop
• For loop
• Nested for loop

• Other Statements in Python
• Break statement
• Continue statement

 

 

CONDITIONAL STATEMENTS IN PYTHON:

 

IF STATEMENT

If statement in Python programming language develops logic for the output as all other programming languages do. We can use different variables and operators in if condition , discussed in the previous part 1 and part 2 of this article series, to design our logic and get the appropriate result. Syntax for if condition in Python is a little bit different, actually quite simple.

 

SYNTAX

if condition :

Statement1

Statement2 ... and so on ...

#You need to press backspace for exiting from if condition

 

IF STATEMENT IN PYTHON IDE:

 

ELSE STATEMENT WITH IF STATEMENT

What if you have to build a logic which contains another logic than if statement? You will simply use else statement with if statement as shown below:

 

SYNTAX

if condition :

Statement

else :

Statement

#You need to press backspace to exit from each block

ELSE STATEMENT IN PYTHON IDE:

 

OUTPUT:

ELIF STATEMENT WITH IF STATEMENT

Now, as there can be more than just two conditions in a program so we use elif condition for these sort of programs and logic.

 

SYNTAX

if condition :

Statement

elif :

Statement

elif :

Statement

else:

Statement

#You need to press backspace to exit from each block

#You can use as many as elif statements in the code.

ELIF STATEMENTS IN PYTHON IDE:

OUTPUT:

NESTED IF-ELSE STATEMENT WITH IF STATEMENT

Finally, in the last part of if statement, we are going to look into the nested if-else statements. It is a bit harder as compared with provides simple statements but it helps you design a perfect and detailed logic for your program.

 

SYNTAX

if condition :

Statement

if condition: 

Statement

else:

Statement

elif :

Statement

if condition:

Statement

else:

Statement

else:

Statement

#You need to press backspace to exit from each block

#You can use as many as nested if-else statements in the code.

NESTED IF-ELSE STATEMENT IN PYTHON IDE

NOTE: 
1. input() function takes the user input.
2. Correct in the print function, that letter is an upper case and lower case in other print function.

OUTPUT:

WHILE LOOP

There are different loops used in Python ranging from For Loop to While loop. Loops are responsible for the iterating or repeating values. Syntax for While loop is:

SYNTAX

#While loop syntax

while (condition) :

Statement1

Statement2 ... and so on ...

WHILE LOOP IN PYTHON IDE

OUTPUT:

 

 

FOR LOOP

For loops are executed until the certain conditions are meet. They are the most used loop in all over conditional statements. For loop iterates through all the values and increments them till the required value. The syntax of for loop is quite simple:

#For loop syntax

for <variable> in <range>:

Statement1

Statement2 ... and so on ...

WHILE LOOP IN PYTHON IDE

 

OUTPUT:

 

 

OTHER STATEMENTS IN PYTHON:

 

BREAK STATEMENT

Break statement terminates the loop statement and transfer the execution to the statement immediately following the loop:

CONTINUE STATEMENT

 Continue statement is opposite to break statement. It let the code to jump on to next step if certain condition of the loop is met.

OUTPUT: