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Strings and Characters

This page provides syntax for different data types in Python as well as some of their associated functions. Each section includes an example to demonstrate the described syntax or function.

Strings

A string is a sequence of one or more characters (index values start at 0)

Some functions and index methods that can be performed on strings

Action

Function

Input:

# strings.py

letter = "b"
word = "good-bye"
subword = "good"

word_length = len(word)
word_first_char = word[0]
word_subword = word[5:8]

print(f"Length of word: {word_length}")
print(f"First letter: {word_first_char}")
print(f"Last three characters: {word_subword}")

print(f"{letter} is in {word}: {(word.index(letter))}")
print(f"{subword} is in {word}: {(subword in word)}")
print(f"remove the last character: {(word[:-1])}")

Output:

Length of word: 8
First character: g
Last three characters: bye
b is in good-bye: 5
good is in good-bye: True
chop off the last character: good-by

Resources

W3 Schools: Python Strings