Control statements in Python PPT

Control statements in Python PPT

I'd be happy to help with that! Here's a presentation on controlling statements in Python:

Title: Controlling Statements in Python: Making Your Code Flow Like a Dream

Slide 1: Introduction

Welcome to the world of programming in Python! In this presentation, we'll explore the different types of control statements that will help you create more complex and interesting programs.

Slide 2: What are Control Statements?

Control statements are used to decide what part of your program should be executed next. They're like traffic lights for your code - they direct the flow of execution and ensure that certain parts of your program don't get executed until they're supposed to.

Slide 3: Conditional Statements (If/Else)

The first type of control statement we'll cover is the conditional statement, which uses the if and else keywords. This statement checks a condition and executes different blocks of code based on whether that condition is true or false.

Example:

x = 5
if x > 10:
print("x is greater than 10")
else:
print("x is less than or equal to 10")

Slide 4: Conditional Statements (If/Elif/Else)

The elif statement allows you to check multiple conditions in a single conditional statement. This is useful when you need to execute different blocks of code based on the value of multiple variables.

Example:

x = 5
y = 10
if x > y:
print("x is greater than y")
elif x == y:
print("x is equal to y")
else:
print("x is less than y")

Slide 5: Loops (For/While)

The next type of control statement we'll cover are loops, which allow your program to execute a block of code multiple times. There are two main types of loops in Python: the for loop and the while loop.

Example:

fruits = ["apple", "banana", "cherry"]
for fruit in fruits:
print(fruit)

Slide 6: Loops (While)

The while loop continues to execute a block of code as long as a certain condition is true. This is useful when you need to repeat a task until a specific condition is met.

Example:

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

Slide 7: Jump Statements (Break/Continue)

Jump statements allow your program to jump out of a loop or skip to the next iteration. The break statement exits a loop immediately, while the continue statement skips to the next iteration.

Example:

fruits = ["apple", "banana", "cherry"]
for fruit in fruits:
if fruit == "banana":
break
print(fruit)

Slide 8: Conclusion

In this presentation, we've covered the basics of controlling statements in Python. By using these control statements effectively, you'll be able to create more complex and interesting programs that can solve a wide range of problems.

I hope you enjoyed this presentation! If you have any questions or would like to learn more about programming in Python, feel free to ask!

Control statements in python with examples

I'd be happy to explain control structures in Python!

If-else Statements

One of the most basic and commonly used control structures is the if-else statement. It allows you to execute a block of code when a certain condition is met.

# Example: Check if x is greater than 5
x = 10
if x > 5:
print("x is greater than 5")
else:
print("x is not greater than 5")
Output: x is greater than 5

For Loops

A for loop allows you to execute a block of code multiple times, based on a iterable (such as a list or string).

# Example: Print out each character in the string 'hello'
fruits = ['apple', 'banana', 'cherry']
for fruit in fruits:
print(fruit)
Output:
apple
banana
cherry

While Loops

A while loop allows you to execute a block of code as long as a certain condition is met.

# Example: Print out numbers from 1 to 5
i = 0
while i < 5:
print(i)
i += 1
Output:
0
1
2
3
4

Break and Continue

These two statements allow you to control the flow of your loops.

# Example: Print out numbers from 1 to 5, but stop at 3
i = 0
while i < 5:
print(i)
if i == 3:
break
i += 1
Output:
0
1
2

# Example: Print out numbers from 1 to 5, but skip 3
i = 0
while i < 5:
if i == 3:
continue
print(i)
i += 1
Output:
0
1
2
4
5

Pass

This statement allows you to define a block of code that does nothing.

# Example: A simple function with an if-else statement and a pass
def greet(name):
if name == 'John':
print('Hello!')
else:
pass
greet('John')
greet('Jane')
Output:
Hello!
(no output)

Try-except

This control structure allows you to catch and handle exceptions in your code.

# Example: Catch a ValueError
try:
x = int(input('Enter an integer: '))
except ValueError:
print('Invalid input! Try again.')
Output: Invalid input! Try again.

I hope this helps! Let me know if you have any questions.