Python Revision Notes

 

7. Loops

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

while x > 0:
    print(x)
    x -= 1

  • Break: Exit loop.

  • Continue: Skip iteration.

8. Functions

def greet(name):
    return "Hello " + name

print(greet("Ajm"))

  • Built-in functions: len(), type(), id(), sum(), max(), min() etc.

Comments

Post a Comment

Popular posts from this blog

Python Revision Notes

  1. Basics of Python High-level, interpreted, object-oriented, general-purpose language . Easy syntax, dynamically typed (no need to declare variable type). Uses indentation instead of braces {} . 2. Lexical Units Keywords : Reserved words (e.g., if , while , class , True , False ). Identifiers : Names given to variables, functions, etc. Literals : Constant values (e.g., 10 , 3.14 , "hello" , True ). Operators : Symbols for operations ( + , - , * , / , % , == , and , or ). Delimiters : Brackets, colon, comma, etc.
Read more

Python Revision Notes

11. String Operations s = "Python" print (s.upper()) # PYTHON print (s[ 0 : 3 ]) # Pyt print ( "th" in s) # True 12. File Handling f = open ( "data.txt" , "w" ) f.write( "Hello File" ) f.close() f = open ( "data.txt" , "r" ) print (f.read()) f.close() 13. Exception Handling try : a = int ( input ( "Enter number: " )) print ( 10 /a) except ZeroDivisionError: print ( "Division by zero not allowed" ) except ValueError:  print ( "Invalid input" ) 
Read more