week3

1-perfect_number.py

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+"""
+Perfect number: Perfect number is a positive integer that is equal to the sum of its proper divisors.
+The smallest perfect number is 6, which is the sum of 1, 2, and 3.
+Some other perfect numbers are 28(1+2+4+7+14=28), 496 and 8128.
+Write a function that finds perfect numbers between 1 and 1000.
+Check perfect numbers between 1 and 1000 and find the sum of the perfect numbers using reduce and filter functions.
+"""
+perfect_numbers=[]
+for i in range(1,1001):
+    sum_divisors = 0
+    for divisor in range(1, i):
+        if i % divisor == 0:
+            sum_divisors += divisor
+
+    if sum_divisors == i:
+        perfect_numbers.append(sum_divisors)
+print("perfect_numbers:",perfect_numbers)
+print("Sum of perfect_numbers:",sum(perfect_numbers))

2-reading_number.py

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+"""
+Write a function that outputs the transcription of an input number with two digits.
+Example:
+28--->Twenty Eight
+"""
+
+
+def transcription(number):
+    t_numbers = {0: 'Zero', 1: 'One', 2: 'Two', 3: 'Three', 4: 'Four', 5: 'Five', 6: 'Six', 7: 'Seven', 8: 'Eight',
+                 9: 'Nine', 10: 'Ten', 11: 'Eleven', 12: 'Twelve', 13: 'Thirteen', 14: 'Fourteen', 15: 'Fifteen',
+                 16: 'Sixteen', 17: 'Seventeen', 18: 'Eighteen', 19: 'Nineteen', 20: 'Twenty', 30: 'Thirty',
+                 40: 'Fourty', 50: 'Fifty', 60: 'Sixty', 70: 'Seventy', 80: 'Eighty', 90: 'Ninety'}
+    if number in t_numbers:
+        print(t_numbers[number])
+    else:
+        print(t_numbers[number-(number % 10)], t_numbers[number % 10])
+
+
+transcription(int(input('Enter a number:')))

3-alphabetical_order.py

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+"""
+Write a function that takes an input of different words with hyphen (-) in between them and then:
+
+sorts the words in alphabetical order,
+adds hyphen icon (-) between them,
+gives the output of the sorted words.
+Example:
+
+Input  >>> green-red-yellow-black-white
+Output >>> black-green-red-white-yellow
+"""
+
+
+def sort_alphabetical_order(text):
+    print('-'.join(sorted(text.split('-'))))    # split ile kelimeler ayrılır. Ayrılan kelimeler sorted ile sıralanır
+                                                # join ile tekrar biraraya getirilir.
+
+
+sort_alphabetical_order(input("Kelimeler arasında '-' bırakarak kelimelerinizi yazınız   :"))

4-unique_list.py

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+"""
+Write a function that filters all the unique(unrepeated) elements of a given list.
+Example:
+Function call: unique_list([1,2,3,3,3,3,4,5,5])
+Output       : [1, 2, 3, 4, 5]
+"""
+
+
+def unique_list(n):
+    print(list(set(n)))     # girilen liste set komutu ile herbir elemanı benzersiz olan kümeye cevrilir ve yazdırılır.
+
+
+unique_list([1, 2, 3, 3, 3, 3, 4, 5, 5])

5-equal_reverse.py

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+"""
+Write a function that controls the given inputs whether they are equal to their reversed order or not.
+Example:
+Input  >>> madam, tacocat, utrecht
+Output >>> True, True, False
+"""
+"""def equal_reverse(text):
+    words = map(lambda x:x.strip(),text.split(','))
+    print( [i==i[::-1] for i in words] )
+
+equal_reverse(input())"""
+
+
+def equal_reverse(text):
+
+    words = text.split(",")
+    result = ""
+    for x in words:
+        r_x = x[::-1]
+        if x == r_x:
+            result += "True,"
+        else:
+            result += "False,"
+    return print(result)
+
+
+text = input("Kelimeler arasında ',' bırakarak kelimelerinizi yazınız  :")
+equal_reverse(text)