Python · Theory

Python String Methods

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Python String Methods

String methods are helpers on text. They return a new string or a number/True-False. The original stays. Learn these cold: upper, lower, strip, replace, split, join, find. capitalize vs title is a favourite trap — "asha pune".capitalize() is "Asha pune", title() is "Asha Pune".

split turns a sentence into a list. " ".join(words) builds a sentence back. find returns -1 if missing; index raises ValueError. isdigit / isalpha test characters. Don’t mug every method. Write one real word, call one method, say the output.

Python String Methods — output — Asha, PUNE, ['a', 'b', 'c']. strip removes spaces.

Exam tip

split vs join direction.

Example

# String methods
s = "  Asha  "
print(s.strip())
print("pune".upper())
print("a,b,c".split(","))

Python String Methods — output: Asha, PUNE, ['a', 'b', 'c']. strip removes spaces.

Short notes

DefHelpers on str. New string back.
Rulesplit → list. join → string.
TrapOriginal does not change.

Python · Theory

Python String Methods

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Theory

18/268

Python String Methods

Python String Methods — output — Asha, PUNE, ['a', 'b', 'c']. strip removes spaces.

Exam tip

split vs join direction.

Example

# String methods
s = "  Asha  "
print(s.strip())
print("pune".upper())
print("a,b,c".split(","))

Python String Methods — output: Asha, PUNE, ['a', 'b', 'c']. strip removes spaces.

Short notes

DefHelpers on str. New string back.
Rulesplit → list. join → string.
TrapOriginal does not change.

Python String Methods

Example

Short notes

Questions

Python String Methods

Example

Short notes

Questions