Python Strings

what is string Python strings are arrays like other programming language , Strings meaning simply encloseing Unicode characters in single or double quotes String is immutable

Example

print=("Hallo World!")

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Output

Hallo World

Slicing strings
Slicing - output from string of range
python count from zero(0)
negative numbers count from last and start (-1)

Example

x="Hallo World!"
print(x[0])
print=(x[-1])
print=(x[1:4])
print=(x[-3:-1])

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Output

H
!
all
ld

String Functions

• upper : string output in capital ccharacter
• lower : string output in small characters
• remove whitespace : remove space from string
• replace : replace a characters in string
• format : insert numerical value in string
• split : string convert into list
• center : output string from center
• count : count input character
• endswith : check last string
• index : get spacific character index number
• isalnum : check alfa-numerical numbers in string
• isdigit : check digit in string
• isidentifier : check identifier in string
• islower :check string characters is lower
• isprinttable : check string is printable or not
• isspace : check space in string
• istitle : check it is title
• isupper : check is upper
• join : add two strings

Example

x="This is python string"
y=2022
z=year
print(x)
print(x.upper())
print(x.lower())
print(x.strip())
print(x.split(","))
print(x.replace("is","are"))
print(x.format(y))
print(x.center(40))
print(x.endswith("string"))
print(x.index("is"))
print(x.isalnum())
print(x.isdigit())
print(x.isidentifier())
print(x.islower())
print(x.isprintable())
print(x.isspace())
print(x.istitle())
print(x.isupper())
print(x.join(z))

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Output

This is python string
THIS IS PYTHON STRING
this is python string
this is python string
['this is python string']
this is python string
True
2
False
False
False
True
True
False
False
False
ythis is python stringethis is python stringathis is python stringr