Python programming language. Strings
Comprehensive guide to Python strings: creation, methods, formatting, and more.
Unlock the power of Python strings! Learn creation, immutability, methods like split and join, and advanced formatting techniques. Dive into slicing, indexing, and encoding for robust string handling. Perfect for enhancing your Python skills!
Chapters:
00:00 Title Card
00:02 String Creation & Basics
Summary:
Create strings using single or double quotes
Understand string immutability
Concatenate strings with '+' operator
String creation
single = 'Hello'
double = "World"
Immutability
immutable = "Python"
Concatenation
greeting = single +
' ' + double
00:04 String Methods & Operations
Summary:
Use 'split()' to divide strings
Join strings with 'join()'
Replace parts of strings using 'replace()'
text = "apple,banana,cherry"
fruits = text.split(",")
joined = "-".join(fruits)
result = "Hello World".
replace("World",
"Python")
00:06 String Formatting Techniques
Summary:
Format strings using f-strings
Use 'format()' for dynamic content
Embed variables directly in strings
name = "Alice"
age = 30
print( f"Name: {name}, Age: {age}")
print( "Name: {}, Age: {}".format(name, age))
00:08 Slicing & Indexing Strings
Summary:
Access characters by index
Use slicing to extract substrings
Negative indices count from end
text = "Hello, World!"
print(text[0])
print(text[7])
print(text[-1])
print(text[0:5])
print(text[7:])
00:10 String Encoding & Decoding
Summary:
Handle different character encodings
Use 'encode()' to convert strings
Decode bytes with 'decode()'
text = "Hello"
encoded = text.encode("utf-8")
print(encoded)
decoded = encoded.decode("utf-8")
print(decoded)
00:12 End Card
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