More exercises!

Author: strawberry-code

README.md

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+# course: python self training
+# exercise: 1
+# date: Oct 3 2020
+# username: shinigami
+# name: Cristiano Cavo
+# description: the classic hello world
+# filename: hello-world.py
+# notes:
+#  - No need to import stdio libraries
+#  - Run it as: `python3 hello-world.py` or simply `py h*` if you are too lazy and aliased py in your .zshrc
+
+def helloWorld():
+	print("Hello, World!")
+
+helloWorld()

esercizio_001/string_input.py renamed to ex-001-string-input/string_input.py

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+# course: python self training
+# exercise: 2
+# date: Oct 3 2020
+# username: shinigami
+# name: Cristiano Cavo
+# description: learn how to declare variables of different types and how to formet-print them
+# filename: types-and-format.py
+
+# declare an integer
+apples = 5
+
+# declare a string
+auntie = "Auntie Cleo"
+
+# delcare a float
+price = 2.7
+
+
+def myFormattedPrint(a, b, c):
+	print("{0} bought {1} apples and paid {2} euros for them".format(a, b, c))
+
+myFormattedPrint(auntie, apples, price)

esercizio_002/minified.py renamed to ex-002-odd-or-even/minified.py

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+# course: python self training
+# exercise: 3
+# date: Oct 3 2020
+# username: shinigami
+# name: Cristiano Cavo
+# description: learn how to make conditional ifs, be aware of colons, indentation! and elif!
+# filename: max-from-2-and-3-integers.py
+
+# declare some integers
+apples = 2
+watermelons = 3
+lemons = 5
+
+# compare apples and lemons, give the max
+if(apples > lemons):
+	print("we have more apples than lemons")
+else:
+	print("we have more lemons than apples")
+
+# compare all!
+if(apples > lemons and apples > watermelons):
+	print("we have many apples!")
+elif(lemons > apples and lemons > watermelons):
+	print("we have many lemons!")
+else:
+	print("we have many watermelons!")

esercizio_002/odd_or_even.py renamed to ex-002-odd-or-even/odd_or_even.py

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+# course: python self training
+# exercise: 4
+# date: Oct 4 2020
+# username: shinigami
+# name: Cristiano Cavo
+# description: discover python potential over string processing and the 'in' keyword
+# filename: find-vowels.py
+
+# decalre a string
+myRandomString = "qwertyuiopasdfghjklzxcvbnm"
+
+def findVowels(str):
+	vowels = "aeiouy"
+	for carat in str:
+		if carat in vowels:
+			print(carat,"is a vowel")
+		else:
+			print(carat,"is a consonant")
+
+findVowels(myRandomString)

esercizio_003/print_if_less_than.py renamed to ex-003-print-if-less-than/print_if_less_than.py

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+# course: python self training
+# exercise: 5
+# date: Oct 4 2020
+# username: shinigami
+# name: Cristiano Cavo
+# description: learn how to declare lists and how to iterate them
+# filename: unstoppable-summation.py
+
+# declare a list of numbers
+myList = [1, 1, 2, 4]
+
+# print the list
+print(myList)
+
+# declare a summatory that calculate the sum of all items of a given list
+def unstoppableSummation(numbers):
+	result = 0
+	for number in numbers:
+		result = result + number
+	return result
+
+print("the overall sum of the items in the list above results:",unstoppableSummation(myList))

esercizio_004/divisors.py renamed to ex-004-divisors/divisors.py

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+# course: python self training
+# exercise: 6
+# date: Oct 4 2020
+# username: shinigami
+# name: Cristiano Cavo
+# description: learn some useful python tricks
+# filename: reverse-string.py
+
+# declare some strings
+str1 = "apples"
+str2 = "peches, pommes et poitres"
+str3 = "radar"
+
+# define the string reverter function
+def stringReverter(str):
+	return str[::-1]
+
+print(str1,"> reverted is >",stringReverter(str1))
+print(str2,"> reverted is >",stringReverter(str2))
+print(str3,"> reverted is >",stringReverter(str3))

esercizio_005/list_overlap.py renamed to ex-005-list-overlap/list_overlap.py

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+# course: python self training
+# exercise: 7
+# date: Oct 4 2020
+# username: shinigami
+# name: Cristiano Cavo
+# description: something boring on find palindrome strings
+# filename: find-palindrome.py
+
+# define some strings
+str1 = "apples"
+str2 = "peches, pommes et poitres"
+str3 = "radar"
+str4 = "never odd or even"
+str5 = "kayak"
+str6 = "not a palindrome"
+
+# define the string reverter function
+def stringReverter(str):
+	return str[::-1]
+
+# define palindrome finder
+def isPalindrome(str):
+	if(str == stringReverter(str)):
+		return True
+	else:
+		return False
+
+print(str1,"is palindrome?",isPalindrome(str1))
+print(str2,"is palindrome?",isPalindrome(str2))
+print(str3,"is palindrome?",isPalindrome(str3))
+print(str4,"is palindrome?",isPalindrome(str4))
+print(str5,"is palindrome?",isPalindrome(str5))
+print(str6,"is palindrome?",isPalindrome(str6))

esercizio_006/palindrome.py renamed to ex-006-palindrome/palindrome.py

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+# course: python self training
+# exercise: 8
+# date: Sat Oct 4 2020
+# username: shinigami
+# name: Cristiano Cavo
+# description: draw a CLI histogram starting from a list of numebrs
+# filename: cli-histogram.py
+
+# declare a list of numbers
+numbers = [1, 8, 4, 7, 3, 6]
+
+# define the histogram drawer
+def histogram(list, symbol):
+	for val in list:
+		print("[{0}]".format(val),"> ", end="")
+		for i in range(val):
+			print(symbol, end="")
+		print("")
+
+histogram(numbers, "o")
+histogram(numbers, "#")
+histogram(numbers, "x ")

esercizio_007/list_comprehension.py renamed to ex-007-list-comprehension/list_comprehension.py

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+# course: python self training
+# exercise: 9
+# date: Oct 6 2020
+# username: shinigami
+# name: Cristiano Cavo
+# description: this is a program that, passed as a parameter a list of integers, outputs the greater of the numbers contained in the list.
+# filename: number-list-find-max.py
+
+# declare a list of random numbers from 0 to 100 having 50 elements
+
+import random # import random library
+numbers = random.sample(range(0, 100), 50) # generate 50 random numbers between 0 and 100
+print(numbers) # print the generated list
+maxNumber = max(numbers) # pick the greatest number in the list
+print("the max in the list is:",maxNumber)

esercizio_008/rock_paper_scissors.py renamed to ex-008-rock-paper-scissors/rock_paper_scissors.py

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+# course: python self training
+# exercise: 10
+# date: Oct 6 2020
+# username: shinigami
+# name: Cristiano Cavo
+# description: implement the famous swedish grammar game
+# filename: rovarspraket.py
+
+# define some words
+words = ["cane", "melograno", "assomigliare", "lingua", "rovarspraket", "hypoteses", "majestic"]
+
+# define vowels
+vowels = "aeiouy"
+
+# define if a carat is a vowel
+def isVowel(char):
+	if(char in vowels):
+		return True
+	else:
+		return False
+
+# define translater
+def rovarspraket(word):
+	translatedWord = ""
+	for charIndex in range(0, len(word)):
+		char = word[charIndex]
+		if(isVowel(char)):
+			translatedWord = translatedWord + char
+		else:
+			translatedWord = translatedWord + char + "o" + char
+	return translatedWord
+
+# print the results
+for word in words:
+	print(rovarspraket(word))

esercizio_009/guessing_game_one.py renamed to ex-009-guessing-game-one/guessing_game_one.py

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+# course: python self training
+# exercise: 11
+# date: Oct 6 2020
+# username: shinigami
+# name: Cristiano Cavo
+# description: implement a function that returns the occurences of charaters in a give string
+# filename: char-counter.py
+
+# define some strings
+s1 = "apples"
+s2 = "il rintocco della campana di gion"
+s3 = "heike monogatari"
+s4 = "appomattox"
+
+# define the char counter
+def charCounter(s):
+	occurences = {}
+	for c in s:
+		if(c != " "):
+			if c in occurences:
+				occurences[c] += 1
+			else:
+				occurences[c] = 1
+	return occurences
+
+# do it
+print(charCounter(s1))
+print(charCounter(s2))
+print(charCounter(s3))
+print(charCounter(s4))

esercizio_010/list_overlap_comprehension.py renamed to ex-010-list-overlap-comprehension/list_overlap_comprehension.py

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+# course: python self training
+# exercise: 12
+# date: Oct 6 2020
+# username: shinigami
+# name: Cristiano Cavo
+# description: implement a program be able to calculate area of a circle from given radius, area of a square from given edge, a rectangle form given edges and of a equilateral triangle froma given edge
+# filename: char-counter.py
+
+# define area of a circle with given radius
+def circleArea(r):
+	area = 3.14 * r * r
+	return area
+
+def squareArea(s):
+	area = s * s
+	return area
+
+def rectangleArea(a, b):
+	area = a * b
+	return area
+
+import math
+def triangleArea(s):
+	area = (math.sqrt(3)/4) * s * s
+	return area
+
+# define main menu
+def menu():
+    print("""
+    Welcome to Simple CLI Geometry!
+    Make a choice:
+     [1] circlea area
+     [2] square area
+     [3] rectangle area
+     [4] triangle area
+    """)
+    c = int(input('=> '))
+    if(c == 1):
+    	circleRadius = float(input("give the circle radius: "))
+    	print("area of a circle with radius length of",circleRadius,"is: ",circleArea(circleRadius))
+    elif(c == 2):
+    	squareSide = float(input("give the square side: "))
+    	print("area of a square with side length of",squareSide,"is: ",squareArea(squareSide))
+    elif(c == 3):
+    	rectangleSideA = float(input("give the rectangle side A: "))
+    	rectangleSideB = float(input("give the rectangle side B: "))
+    	print("area of a rectangle with side A of",rectangleSideA,"and side B of",rectangleSideB,"is: ",rectangleArea(rectangleSideA, rectangleSideB))
+    elif(c == 4):
+    	triangleSide = float(input("give the triangle side: "))
+    	print("area of a triangle with side length of",triangleSide,"is: ",triangleArea(triangleSide))
+    else:
+    	print("undefined command, exit")
+
+menu()

esercizio_010/using_python_set.py renamed to ex-010-list-overlap-comprehension/using_python_set.py

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+# course: python self training
+# exercise: 13
+# date: Oct 11 2020
+# username: shinigami
+# name: Cristiano Cavo
+# description: write a cli program capable of generate different types of password
+# filename: password-generator.py
+
+# define digits
+digits = "0987654321"
+
+# define alphabet
+alphabet = "qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM"
+
+# define alphanumeric set
+alphanumeric = digits + alphabet
+
+# define symbols
+symbols = alphanumeric + "\\!£$%&/()=?"
+
+# define menu
+def menu():
+	print("""Welcome to the password generator:
+ [1] generate a numeric only passowrd")
+ [2] generate an alphabetcial passowrd")
+ [3] generate an alphanumeric passowrd")
+ [4] generate a ascii passowrd""")
+	c = int(input("> "))
+	l = int(input("password length?\n> "))
+	if(c == 1):
+		generator(digits, l)
+	elif(c == 2):
+		generator(alphabet, l)
+	elif(c == 3):
+		generator(alphanumeric, l)
+	elif(c == 4):
+		generator(symbols, l)
+	else:
+		print("command not found")
+		return
+	print("your password has been saved in the clipboard")
+
+# define generator
+import random
+import pyperclip
+def generator(set, length):
+	password = ""
+	for i in range(length):
+		password += set[int(random.randrange(len(set)))]
+	pyperclip.copy(password)
+
+
+menu()