July 9, 2024 Print() - Part 1

Contents:

• About print function and its arguments
  • Sep argument
• Different types of print formats
• Using escape sequences with print function
• Rasting - To insert file path
• Typecasting - To change data format to another format
• Learnt about how to print multi line string
• Sting Multiplication
• Different methods of print formats like F String
• To see the different methods for a function by using dir command before a function

• Usages of print function

• `print("")

  • This is call as print function

• Different cases with print() function

  • print("Hello", "World") \Seperator
    • Output: Hello World
      • There is a space between two words due to default sep argument
  • print("Hello", "World", sep="-")
    • Output: Hello-World
  • print("Hello", "World", sep="\n") \ Enter or new line
    • Output: Hello World
  • print("Hello", "World", sep="\t") \Tab
    • Output: Hello World

Cancatinating string

• In Python language, every thing is consider as objects, every object has special functionalities.

• print("Hello" + " World" + "Welcome" + " To Python Class")

  • Output: Hello WorldWelcome to Python Class

• print("Hello", "World", end="?"

  • Output: Hello World?

Ecape Sequence

• For print pattern
  • print("#\n##\n###\n#####")
  • output: # ## ### ####
• Some Escape sequences
  • \n
  • \t

Rasting

• To inset print native file path

• print(r"C:\users/syedajafer/document")

  • Output: C:\users/syedajafer/document

• Insert double quatation the value will be in string

Type casting

• print("abc" + str(123))

  • Output: abc123

• To add Quatations in a string

  • print(' "Hello world"')
    • Output: "Hello world"
  • print(" 'Hello world' ")
    • Output: 'Hello world'

Multi line string

• To print as paragraph print(""" My Name is Vishal. How are you? What is your name? """)
• Output: My Name is Vishal. How are you? What is your name?

String Multiplication

• print("Hello" * 3)
  • Output: HelloHelloHello
• print("Hello" * 3 *2)
  • Output: HelloHelloHelloHelloHelloHello

Format

`
name = "abc"
age = 25
print("Name: {}, Age:{}".format(name, age))

Output:
Name: abc, Age: 25
`

• print("Name: {name}, Age: {age}" .format(name="abc", age=25))

Output: Name: abc, Age: 25
`

• ` print("Name: {name}, Age: {age}" .format(name=["abc"], age=25))

Output: Name: ['abc'], Age: 25
Note: It will also print the strings in list data Structure
`

• F string ` name = "Syed" age = 26 print(f"Name: {name}, Age: {age}")

Output: Name: Syed, Age: 26
`

• "Hello World" * 2

  • Output: Hello WorldHello World
  • Use can use printfunction without print function syntax

• To see available methods for a function use dir

Usages of print() function

• software development while debugging by checking what is the result at each stages
• While going to production, they remove print function and insert log key
• Desktop application to print the status