Week -3

alphabetic order.py

@@ -0,0 +1,7 @@
+def alphabetical_order():
+    words=input("enter words with -:")
+    words = words.split('-')
+    words.sort()
+    words ='-'.join(words)
+    return words
+print(alphabetical_order())

equal_reverse.py

@@ -0,0 +1,7 @@
+def equal_reserve(x):
+    if x[0:]==x[::-1]:
+        return True
+    else:
+        return False
+a =list(map(lambda x: equal_reserve(x),['madam','tacocat','utrecht']))
+print(a)

hackerrank.py

@@ -0,0 +1,21 @@
+#find digits
+def findDigits(n):
+    n=str(n)
+    l=len(n)
+    count =0
+    for i in range(l):
+        if int(n[i])==0:
+            continue
+        elif int(n)%int(n[i])==0:
+            count+=1
+    return count
+
+#capitalize
+def solve(s):
+    s=s.split(' ')
+    for i in range(len(s)):
+        if s[i]=='':
+            continue
+        s[i]=s[i][0].capitalize()+s[i][1:]
+    s=' '.join([str(words) for words in s])
+    return s

perfect_number.py

@@ -0,0 +1,13 @@
+## 1-perfect_number.py
+from functools import reduce
+def perfect_number(x):
+    sum = 0
+    for i in range(1,x):
+        if x%i == 0:
+            sum+=i
+    if sum ==x:
+        return True
+perfect_list=list(filter(lambda x: perfect_number(x),range(1,1000)))
+print(perfect_list)
+final_result =reduce(lambda a,b:a+b,list(filter(lambda x: perfect_number(x),range(1,1000))))
+print(final_result)

reading_number.py

@@ -0,0 +1,16 @@
+first_digits=['','One','Two','Three','Four','Five','Six','Seven','Eight','Nine']
+second_digits=['','','Twenty','Thirty','Forty','Fifty','Sixty','Seventy','Eighty','Ninety']
+specials=['Ten','Eleven','Twelve','Thirteen','Fourteen','Fifteen','Sixteen','Seventeen','Eighteen','Nineteen']
+def read_num():
+    a=input("enter a number with two digits: ")
+    if a.isdigit()==False:
+        result = a
+    elif int(a)<10 or int(a)>99:
+        result= a
+    elif 20>int(a)>=10:
+        result='{}--------->{}'.format(a,specials[int(a[1])])
+
+    else:
+        result='{}--------->{} {}'.format(a,second_digits[int(a[0])],first_digits[int(a[1])])
+    return result
+print(read_num())

unique_list.py

@@ -0,0 +1,9 @@
+def unique_list(list):
+    new_list=[]
+    for i in list:
+        if i in new_list:
+            continue
+        else:
+            new_list.append(i)
+    return new_list
+unique_list([1,2,3,3,3,3,4,5,5])