Pequena Contribuição

src/ex1.py

@@ -2,8 +2,10 @@ def cpf_verify(cpf: str)->bool:
     if len(cpf)!=11:
         return False
     else:
+        cont = 0
         for i in cpf:
-            if i.is_integer():
-                return True   
+            if not i.isdigit():
+                continue   
             else:
-                return False
+                cont += 1
+        return True if cont == 9 else False

src/ex2.py

@@ -2,3 +2,6 @@ def string_invertor(word: str)->str:
     pos = len(word)
     string = [word[pos-i] for i in range(1, len(word)+1)]
     return "".join(string)
+
+
+string_inverter = lambda word: word[::-1]

src/ex3.py

@@ -1,16 +1,15 @@
-from ex2 import string_invertor
+from ex2 import string_invertor, string_inverter
 
 def palindromo(word:str)->bool:
-    return word==string_invertor(word)
+    return word==word[::-1]
 
 def palindroms_using_points(word:str)->bool:
     left = 0
     right = len(word)-1
 
-    while left<right:
+    while right:
         if word[left]!=word[right]:
             return False
         left+=1
         right-=1
-
     return True

src/ex4.py

@@ -1,13 +1,3 @@
 def cont_words(word: str)->dict:
-    words = dict()
-    for i in word:
-        count_word = 0
-        if i in words.keys:
-            pass
-        words.keys = i
-        for j in word:
-            if i==j:
-                count_word+=1
-        words.values = count_word
-        count_word = 0
-    return words
+    word = word.strip()
+    return len(word.split())

src/ex6.py

@@ -1,24 +1,34 @@
-from ex4 import cont_words
-
-def fatoracao_number(num:int)->int:
-    count = 0
-    while count!=num:
-        num*=(num-count)
-        count+=1
-    return num
+def fatorial(num:int)->int:
+    result=1
+    while num:
+        result *= num
+        num -= 1
+    return result
 
 def anagrama(word:str)->bool:
-    words = cont_words(word)
-    numerador = fatoracao_number(len(word))
-    denominador = 0
-    denominadores = []
-    for i in words.values:
-        denominadores.append(i)
-    for i in denominadores:
-        if i>1:
-            denominador*=fatoracao_number(i)
+    words = word.split()
+    l = []
+    def counter(w):
+        d = {}
+        for i in w:
+            if i not in d:
+                d[i] = 1
+            else:
+                d[i] += 1
+        return d
+    for j in words:
+        l.append(counter(j))
+    return all(x==l[0] for x in l)
 
-    if denominador==0:
-        return numerador
-    else:
-        return (numerador/denominador)
+def count_anagramas(word:str)->int:
+    n = fatorial(len(word))
+    h = {}
+    for i in word:
+        if i not in h:
+            h[i] = 1
+        else:
+            h[i] += 1
+
+    for j in h.values():
+        n /= fatorial(j)
+    return round(n)