Python programming language. String Formatting
on channel: YouRails
Learn essential methods for formatting strings, numbers, and dates in Python.
Unlock the power of Python string formatting! Discover basic methods like %, str.format(), and f-strings. Learn to use positional and keyword arguments, align text, format numbers, and handle dates. Enhance your code with internationalization tips for locale-aware formatting.
Chapters:
00:00 Title Card
00:02 Basic String Formatting Methods
Summary:
Use % operator for simple substitutions
str.format() for complex formatting
f-strings for embedding expressionsUsing % operator
name = "Alice"
greet = "Hello, %s!" % name
Using str.format()
greet = "Hello, {}!".format(name)
Using f-strings
greet = f"Hello, {name}!"
00:04 Positional & Keyword Arguments
Summary:
Utilize positional arguments with str.format()
Employ keyword arguments for clarity
F-strings support named expressions"{} is {} years old".format(
"Alice", 30)
"{name} is a {job}".format(
name="Bob",
job="builder")
f"{user} logged in"
00:06 Alignment & Padding Techniques
Summary:
Align text using spaces or characters
Use format specifiers for alignment
Apply padding for uniform appearancename = "Alice"
print("{:❮10}".format(name))
print("{:❯10}".format(name))
print("{:^10}".format(name))
print("{:*^10}".format(name))
00:08 Number Formatting Options
Summary:
Control decimal places precisely
Add thousands separator for clarity
Use scientific notation when necessarynum = 12345.6789
print(
"{:.2f}".format(num))
print(
"{:,}".format(num))
print(
"{:.2e}".format(num))
00:10 Date & Time Formatting Techniques
Summary:
Format dates using strftime
Embed date expressions in f-strings
Customize time display formatsfrom datetime import datetime
now = datetime.now()
formatted_date = now.strftime(
"%Y-%m-%d")
print(f"Today is {formatted_date}")
custom_time = now.strftime(
"%H:%M:%S")
00:12 Internationalization in Formatting
Summary:
Handle locale-aware number formatting
Format dates according to locale
Ensure consistency across regionsimport locale
locale.setlocale(locale.LC_ALL, '')
from datetime import datetime
now = datetime.now()
formatted_date = now.strftime(
"%x")
formatted_number = locale.
format_string("%d", 1234567,
grouping=True)
00:14 End Card
Our contacts:
+1 415 650 9893
contact@yourails.com
Telegram: @rome_sfba
web: https://yourails.com
On this page of the site you can watch the video online Python programming language. String Formatting with a duration of hours minute second in good quality, which was uploaded by the user YouRails 08 July 2026, share the link with friends and acquaintances, this video has already been watched times on youtube and it was liked by 0 viewers. Enjoy your viewing!
