Introduction

This lesson is part of our complete Python course for beginners. In this lesson, you will learn control flow in Python and how to control the execution of your program using conditions and loops.

Understanding control flow in Python is essential because it allows your program to make decisions and repeat actions.

What is Control Flow in Python?

Control flow in Python refers to the order in which statements are executed in a program. By using conditions and loops, you can change the normal flow of execution.

Conditional Statements in Python

Conditional statements allow your program to make decisions.

if Statement

x = 10 if x > 5: print(“x is greater than 5”)

if-else Statement

x = 3 if x > 5: print(“Greater”) else: print(“Smaller”)

if-elif-else Statement

x = 10 if x < 5: print(“Less than 5”) elif x == 10: print(“Equal to 10”) else: print(“Greater than 5”)

Loops in Python

Loops are used to execute a block of code multiple times.

for Loop

for i in range(5): print(i)

while Loop

i = 0 while i < 5: print(i) i += 1

Break and Continue

break

Stops the loop completely.

for i in range(5): if i == 3: break print(i)

continue

Skips the current iteration.

for i in range(5): if i == 3: continue print(i)

Why Control Flow is Important

Control flow in Python helps you:

• Make decisions in programs
• Repeat tasks efficiently
• Build logical applications

Therefore, understanding control flow in Python is important for writing real programs.

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Conclusion

Now you understand control flow in Python including conditional statements and loops.

In the next lesson, you will learn about functions in Python.

Next Lesson

Functions in Python