Class7-Python-Module-Week2/ solutions

answer1.py

@@ -0,0 +1,17 @@
+def rotateArray(a, d):           
+    n = len(a)
+    if d > 0:                                          
+        a[:] = a[-d:n] + a[:-d] 
+
+        if d > n:                                       
+            d = d % n                                   
+            print(a)
+
+    else:
+        a[:] = a[-d:n] + a[:-d]
+
+    return a
+list = list(map(int,input('Enter a list?').strip().split()))
+number = int(input('Enter a number?'))
+
+print(rotateArray(list,number))

answer2.py

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+sentence = input('Please write a sentence: ')
+sentence = sentence.replace(' ', '')
+
+punc = """!()-[]{ };:'"\,<>./?@#$%^&*_~"""
+new_form_sentence = ' '
+dict = {}
+for i in sentence:
+
+    if i not in punc:
+        new_form_sentence += i
+
+    for keys in new_form_sentence:
+        keys = keys.lower()
+        keys = keys.strip()
+
+    dict[keys] = dict.get(keys,0) + 1
+    new_dict = list(zip(dict.keys(), dict.values()))
+
+print(str(new_dict))

answer3.py

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+def common(str1, str2):
+    str1 = str1.lower()
+    str2 = str2.lower()
+    list1 = []
+    list2 = []
+    punc = """!()-[]{ };:'"\,<>./?@#$%^&*_~"""
+
+    for i in str1:
+        if i not in punc:
+            list1 += i
+    for i in str2:
+        if i not in punc:
+            list2 += i
+
+    shared_letters = sorted(set(list1) & set(list2))
+    unique_to_str1 = sorted(set(list1) - set(list2))
+    unique_to_str2 = sorted(set(list2) - set(list1))
+
+    return ' '.join (str(e) for e in shared_letters), ' '.join(str(e) for e in unique_to_str1), ' '.join(str(e) for e in unique_to_str2)
+
+
+str1 = input('Please type a word: ')
+str2 = input('Please type a second word: ')
+print(common(str1, str2))

answer4.py

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+def some_function(a, b, c):
+    mult = a * b * c
+    return ('The nearest palindromical prime number less than {}'.format(mult))
+
+a = int(input('Please enter first number: '))
+b = int(input('Please enter a second number: '))
+c = int(input('Please enter last number: '))
+
+print (some_function(a, b, c))