Python Examples - Revision history

170.55.73.212 at 00:08, 24 March 2026

2026-03-24T00:08:49Z

← Older revision		Revision as of 00:08, 24 March 2026
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			== Calculate the average of three numbers ==


	Calculate the average of three numbers
	avg = (num1+num2+num3)/3		avg = (num1+num2+num3)/3

	Display a variable inside an f string and round it to only have 2 decimals, like with money. (the end result looks like this: <code>1000.00</code>)		== Display a variable inside an f string and round it to only have 2 decimals, like with money. (the end result looks like this: <code>1000.00</code>) ==
	monthly_payment = 1000.0000		monthly_payment = 1000.0000
	print(f'The monthly payment is {monthly_payment:.2f}.')		print(f'The monthly payment is {monthly_payment:.2f}.')

	Display a large number and add commas in-between every 3 digits. (the end result looks like this: <code>1,000,000,000</code>)		== Display a large number and add commas in-between every 3 digits. (the end result looks like this: <code>1,000,000,000</code>) ==
	large_number = 1000000000		large_number = 1000000000
	print(f'{large_number:,}')		print(f'{large_number:,}')

	Display a value using a minimum field width. This is useful for spacing in a cli or gui. (the end result looks like this: <code>The number is ________99</code>)		== Display a value using a minimum field width. This is useful for spacing in a cli or gui. (the end result looks like this: <code>The number is ________99</code>) ==
	number = 99		number = 99
	print(f"The number is {number:10}")		print(f"The number is {number:10}")

	Align the text when a field width is specified. The <code><</code> can be substituted for a <code>></code> or <code>^</code> to align right or center respectively.		== Align the text when a field width is specified. The <code><</code> can be substituted for a <code>></code> or <code>^</code> to align right or center respectively. ==
	number = 40		number = 40
	print(f"{number:<10}")		print(f"{number:<10}")

	Usage of the walrus operator to shorten code		== Usage of the walrus operator to shorten code ==
	# Without the walrus operator		# Without the walrus operator
	line = input("Enter a line (empty to quit): ")		line = input("Enter a line (empty to quit): ")
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	print(f"You entered: {line}")		print(f"You entered: {line}")

	Exiting a while loop with a <code>break</code> statement		== Exiting a while loop with a <code>break</code> statement ==
	negativenumbers=0		negativenumbers=0
	while True:		while True:
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	negativenumbers+=1		negativenumbers+=1

	Use case for <code>pass</code> and <code>break</code> statement		== Use case for <code>pass</code> and <code>break</code> statement ==
	while True:		while True:
	table = int(input("Enter a number from 1 through 100: "))		table = int(input("Enter a number from 1 through 100: "))
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	break		break

	Use case for len() function inside of range() function to run code for every value in a list		== Use case for len() function inside of range() function to run code for every value in a list ==
	for i in range(len(items)):		for i in range(len(items)):
	if items[i] < 0:		if items[i] < 0:
	items[i]=0		items[i]=0

	Switch Statement in python (called a match case statement)		== Switch Statement in python (called a match case statement) ==
	lang = input("What's the programming language you want to learn? ")		lang = input("What's the programming language you want to learn? ")

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	print("The language doesn't matter, what matters is solving problems.")		print("The language doesn't matter, what matters is solving problems.")

	List comprehension statement. Basically lets you do what you would with a for loop, but in less lines of code.		== List comprehension statement. Basically lets you do what you would with a for loop, but in less lines of code. ==
	plus_one = [i + 1 for i in my_list]		plus_one = [i + 1 for i in my_list]

209.87.206.13 at 22:37, 13 November 2025

2025-11-13T22:37:10Z

← Older revision		Revision as of 22:37, 13 November 2025
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	case _:		case _:
	print("The language doesn't matter, what matters is solving problems.")		print("The language doesn't matter, what matters is solving problems.")

			List comprehension statement. Basically lets you do what you would with a for loop, but in less lines of code.
			plus_one = [i + 1 for i in my_list]

209.87.206.13 at 23:09, 6 November 2025

2025-11-06T23:09:07Z

← Older revision		Revision as of 23:09, 6 November 2025
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	Switch Statement in python (called a match case statement)		Switch Statement in python (called a match case statement)
	lang = input("What's the programming language you want to learn? ")		lang = input("What's the programming language you want to learn? ")

	match lang:		match lang:
	case "JavaScript":		case "JavaScript":
	print("You can become a web developer.")		print("You can become a web developer.")

	case "Python":		case "Python":
	print("You can become a Data Scientist")		print("You can become a Data Scientist")

	case "PHP":		case "PHP":
	print("You can become a backend developer")		print("You can become a backend developer")

	case "Solidity":		case "Solidity":
	print("You can become a Blockchain developer")		print("You can become a Blockchain developer")

	case "Java":		case "Java":
	print("You can become a mobile app developer")		print("You can become a mobile app developer")
	case _:		case _:
	print("The language doesn't matter, what matters is solving problems.")		print("The language doesn't matter, what matters is solving problems.")

209.87.206.13 at 23:06, 6 November 2025

2025-11-06T23:06:49Z

← Older revision		Revision as of 23:06, 6 November 2025
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	if items[i] < 0:		if items[i] < 0:
	items[i]=0		items[i]=0

			Switch Statement in python (called a match case statement)
			lang = input("What's the programming language you want to learn? ")

			match lang:
			case "JavaScript":
			print("You can become a web developer.")

			case "Python":
			print("You can become a Data Scientist")

			case "PHP":
			print("You can become a backend developer")

			case "Solidity":
			print("You can become a Blockchain developer")

			case "Java":
			print("You can become a mobile app developer")
			case _:
			print("The language doesn't matter, what matters is solving problems.")

209.87.206.13 at 23:00, 6 November 2025

2025-11-06T23:00:15Z

← Older revision		Revision as of 23:00, 6 November 2025
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	print(f"{table} x {number} = {table*number}")		print(f"{table} x {number} = {table*number}")
	break		break

			Use case for len() function inside of range() function to run code for every value in a list
			for i in range(len(items)):
			if items[i] < 0:
			items[i]=0

209.87.206.13 at 21:42, 23 October 2025

2025-10-23T21:42:43Z

← Older revision		Revision as of 21:42, 23 October 2025
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	negativenumbers+=1		negativenumbers+=1

	Use case for pass and break statement		Use case for <code>pass</code> and <code>break</code> statement
	while True:		while True:
	table = int(input("Enter a number from 1 through 100: "))		table = int(input("Enter a number from 1 through 100: "))

209.87.206.13 at 21:42, 23 October 2025

2025-10-23T21:42:22Z

← Older revision		Revision as of 21:42, 23 October 2025
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	if int(number) < 0:		if int(number) < 0:
	negativenumbers+=1		negativenumbers+=1

			Use case for pass and break statement
			while True:
			table = int(input("Enter a number from 1 through 100: "))
			if (table > 100) or (table < 1):
			pass
			else:
			for number in range(1,11):
			print(f"{table} x {number} = {table*number}")
			break

209.87.206.13 at 21:18, 23 October 2025

2025-10-23T21:18:18Z

← Older revision		Revision as of 21:18, 23 October 2025
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	while (line := input("Enter a line (empty to quit): ")) != "":		while (line := input("Enter a line (empty to quit): ")) != "":
	print(f"You entered: {line}")		print(f"You entered: {line}")

			Exiting a while loop with a <code>break</code> statement
			negativenumbers=0
			while True:
			number = input()
			if number == "stop":
			print(negativenumbers)
			break
			else:
			if int(number) < 0:
			negativenumbers+=1

50.220.241.211 at 20:18, 13 October 2025

2025-10-13T20:18:49Z

← Older revision		Revision as of 20:18, 13 October 2025
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	number = 40		number = 40
	print(f"{number:<10}")		print(f"{number:<10}")

			Usage of the walrus operator to shorten code
			# Without the walrus operator
			line = input("Enter a line (empty to quit): ")
			while line != "":
			print(f"You entered: {line}")
			line = input("Enter a line (empty to quit): ")

			# With the walrus operator
			while (line := input("Enter a line (empty to quit): ")) != "":
			print(f"You entered: {line}")

10.0.1.1 at 10:58, 29 August 2025

2025-08-29T10:58:12Z

← Older revision		Revision as of 10:58, 29 August 2025
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	Align the text when a field width is specified. The <code><</code> can be substituted for a <code>></code> or <code>^</code> to align right or center respectively.		Align the text when a field width is specified. The <code><</code> can be substituted for a <code>></code> or <code>^</code> to align right or center respectively.
	number = 40		number = 40
	print(f"{number:<~~10d~~}")		print(f"{number:<10}")