Python Programming: Crash Course Tips & Tricks The Ultimate Guide for Beginners by James Anthony

Author:James , Anthony [James , Anthony]
Language: eng
Format: epub
Published: 2020-06-12T16:00:00+00:00

t

+ operat ori susedt o concatenat estri ngand*operat ori sa r epeti ti onoperat orfor st ri ng.

>>>s= " t omand "+" j er r y"

>>>p ri n t (s)

t omand j er r y

>>>s= " t h i s i s bad sp a m"* 3

>>>p ri n t (s)

T his i sbadspa mt his isbad s pamt hi s is ba dspa m

SlicingSt r ing

Youcantake subsetofst ri ngfr omori gi nalst ri ng byusi ng[ ]operat oral soknown assli ci ngoperat or .

Syn t ax: s[star t: end]

t his will r et ur npartofthe s tr ing st ar ti ngfr omindexst ar tt o i ndexend-1.

Let ’s take some exampl es .

>>>s= "We l come"

>>>s [ 1:3]

el

Somemor e exampl es .

>>>s= "We l come"

>>>s[:6]

'Wel com'

>>>s[4 : ]

'ome'

>>>s[1 : -1]

'elcom'

Note: start index and end index are optional. If omitted, then the default value of start index is 0 and that of end is the last index of the string.

Ord()a n dchr ( ) Fun c tions

or d()–f uncti on ret ur nst he ASCIIcodeof t he charact er .

chr()–f unct ion ret ur ns characterr epr esented bya ASC IInu mber .

>>> c h= ' b '

>>>o r d(ch)

98

>>>chr(97)

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