列印()

王林
發布: 2024-07-26 13:08:54
原創
1132 人瀏覽過

列印()

hi, everybody
today I gone to explain which I learnt.

列印() means printing a str, int, flo, etc.

Printing a String
when we want to print a string can use this syntax:
syntax:

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print()

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eg:

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>>>print("hello")

>>>hello

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Printing a variables
When we want to print a variables we can use this syntax
eg:

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>>>name="hello"

>>>print(name)

 

>>> hello

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Printing into multiple items
You can print multiple items by separating them with commas.
eg:

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>>>age="45"

>>>city="chennai"

>>>name="kavin"

>>>print("Name:",name,"Age:",age,"City:",city")

 

>>>Name: kavin Age: 45 City: chennai

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Formatting with f-strings
An f-string is a way to format strings in Python. You can insert variables directly into the string by prefixing it with an f and using curly braces {} around the variables.
eg:

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>>>age="45"

>>>city="chennai"

>>>name="kavin"

>>>print("Name:{name},Age:{age},City:{city}")

 

>>>Name: kavin Age: 45 City: chennai

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Concatenation of strings

We can combine the strings by this.
eg:

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>>>main_dish="Parotta"

>>>side_dish="salna"

>>>print(main_dish+""+side_dish+"!")

 

>>>Parotta salna!

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Escape sequencenes
Escape sequences allow you to include special characters in a string. For example, \n adds a new line.
eg:

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>>>print("hi\nhello\nfriends")

>>>hi

   hello

   friends

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Raw(r) strings
Raw stings are strings which type only which is give in the input.
eg:

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>>> print(r"C:users\\name\\tag")

>>> C:users\name\tag

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Printing numbers

It used to print numbers.
eg

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>>>print(123545)

>>>123545

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Printing the results of the expressions
This is used to find the value of a expression.
eg;

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>>>print(1+3)

>>>4

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Printing lists and dictionaries
We can the entire lists and dictionaries.
eg:

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>>>fruits["banana","apple","cherry"]

>>>print(fruits)

 

>>>['banana','apple','cherry']

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using sep and end Parameters
We can use this to separate(sep) and end(end) with this parameters.
eg:

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>>>print("hello","world",sep="-",end="!")

>>>hello-world!

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Triple Quotes
We can use this for print as a same.
eg:

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>>>print("""

hello

everybody

""")

 

>>>hello

   everybody

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String Multiplication
This is used to Multipling string.
eg:

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>>>print("hello"*3)

>>>hellohellohello

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This is learnt in the class of python print() class which is I leant by seeing Parotta Salna python class of Day-2

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