diff --git a/1ano/fp/aula01/ex02.py b/1ano/fp/aula01/ex02.py
index 12d5717..8ea93fc 100644
--- a/1ano/fp/aula01/ex02.py
+++ b/1ano/fp/aula01/ex02.py
@@ -2,4 +2,4 @@ celcius = float(input('°C: '))
 
 fahrenheit = 1.8 * celcius + 32
 
-print('\n{} °C = {} °F'.format(celcius, fahrenheit))
\ No newline at end of file
+print(f'\n{celcius} °C = {fahrenheit} °F')
\ No newline at end of file
diff --git a/1ano/fp/aula01/ex04.py b/1ano/fp/aula01/ex04.py
index b77d4b5..094ab6d 100644
--- a/1ano/fp/aula01/ex04.py
+++ b/1ano/fp/aula01/ex04.py
@@ -1,8 +1,5 @@
-import calendar
-from datetime import datetime;
-
 nome = input('Como te chamas? ')
 anoNascenca = int(input('Em que ano nasceste? '))
 ano = int(input('Ano para verificar: '))
 
-print('{}, em {} farás {} anos.'.format(nome, ano, ano - anoNascenca))
\ No newline at end of file
+print(f'{nome}, em {ano} farás {ano - anoNascenca} anos.')
\ No newline at end of file
diff --git a/1ano/fp/aula01/ex06.py b/1ano/fp/aula01/ex06.py
index 03d73d9..76b6794 100644
--- a/1ano/fp/aula01/ex06.py
+++ b/1ano/fp/aula01/ex06.py
@@ -7,4 +7,4 @@ kmAno = mAno
 secsAno = mAno
 hAno = secsAno / 3600
 
-print('O elevador anda {} kilometros por ano, durante {} horas.'.format(kmAno, hAno))
+print(f'O elevador anda {kmAno} kilometros por ano, durante {hAno} horas.')
diff --git a/1ano/fp/aula01/ex07.py b/1ano/fp/aula01/ex07.py
index bdd6d24..83ac698 100644
--- a/1ano/fp/aula01/ex07.py
+++ b/1ano/fp/aula01/ex07.py
@@ -10,4 +10,4 @@ cosseno = A / C
 angRad = acos(cosseno)
 angDeg = angRad * 180 / pi
 
-print('O comprimento da hipotenusa é {} e o valor do angulo entre o cateto A e a hipotenusa é {}°'.format(round(C, 2), round(angDeg, 2)))
\ No newline at end of file
+print(f'O comprimento da hipotenusa é {round(C, 2)} e o valor do angulo entre o cateto A e a hipotenusa é {round(angDeg, 2)}°')
\ No newline at end of file
diff --git a/1ano/fp/aula02/darts.py b/1ano/fp/aula02/darts.py
index 9423b16..4a6b09e 100644
--- a/1ano/fp/aula02/darts.py
+++ b/1ano/fp/aula02/darts.py
@@ -1,5 +1,39 @@
 import math
 
+def main():
+    print("""Introduza as coordenadas (x, y) do dardo.
+Representa as posicoes horizontal e vertical respetivamente.
+Ambas em milimetros.
+    """)
+
+    x = int(input('X: '))
+    y = int(input('Y: '))
+
+    mod = math.sqrt(x ** 2 + y ** 2)
+
+    if mod > 170:
+        print('Fora do alvo.')
+        exit(1)
+
+    if mod < 12.7:
+        print('Pontuacao: 50 pontos.')
+        exit(1)
+    elif mod < 32:
+        print('Pontuacao: 25 pontos.')
+        exit(1)
+
+    base_point = BasePoint(x, y)
+
+    if mod > 99 and mod < 107:
+        print('Pontuacao: {}pontos.'.format(base_point * 3))
+        exit(1)
+    if mod > 162:
+        print('Pontuacao: {}pontos.'.format(base_point * 2))
+        exit(1)
+
+    print('Pontuacao: {}pontos.'.format(base_point))
+    exit(1)
+
 def BasePoint(x, y):
     if x > 0:
         if abs(y) < x * math.tan(math.pi / 20):
@@ -54,35 +88,5 @@ def BasePoint(x, y):
                 else:
                     return 3
 
-print("""Introduza as coordenadas (x, y) do dardo.
-Representa as posicoes horizontal e vertical respetivamente.
-Ambas em milimetros.
-""")
-
-x = int(input('X: '))
-y = int(input('Y: '))
-
-mod = math.sqrt(x ** 2 + y ** 2)
-
-if mod > 170:
-    print('Fora do alvo.')
-    exit(1)
-
-if mod < 12.7:
-    print('Pontuacao: 50 pontos.')
-    exit(1)
-elif mod < 32:
-    print('Pontuacao: 25 pontos.')
-    exit(1)
-
-base_point = BasePoint(x, y)
-
-if mod > 99 and mod < 107:
-    print('Pontuacao: {}pontos.'.format(base_point * 3))
-    exit(1)
-if mod > 162:
-    print('Pontuacao: {}pontos.'.format(base_point * 2))
-    exit(1)
-
-print('Pontuacao: {}pontos.'.format(base_point))
-exit(1)
\ No newline at end of file
+if __name__ == '__main__':
+    main()
\ No newline at end of file
diff --git a/1ano/fp/aula02/ex02_03.py b/1ano/fp/aula02/ex02_03.py
index d1d4c4c..66be19a 100644
--- a/1ano/fp/aula02/ex02_03.py
+++ b/1ano/fp/aula02/ex02_03.py
@@ -11,4 +11,4 @@ if x2 > mx:
 if x3 > mx:
     mx = x3
 
-print("Maximum:", mx)
\ No newline at end of file
+print("Maximum: ", mx)
\ No newline at end of file
diff --git a/1ano/fp/aula02/ex09.py b/1ano/fp/aula02/ex09.py
index ab09dc5..658122a 100644
--- a/1ano/fp/aula02/ex09.py
+++ b/1ano/fp/aula02/ex09.py
@@ -14,6 +14,6 @@ ATPR = float(input('Componente Teorica-pratica de recurso: '))
 ATP = float(input('Componente Pratica de recurso: '))
 NF = round(0.3 * ATPR + 0.7 * ATP)
 if NF >= 10:
-    print('Aprovado com nota {}'.format(NF))
+    print('Aprovado com nota ', NF)
 else:
     print('Continua reprovado, nota ', NF)
\ No newline at end of file
diff --git a/1ano/fp/aula03/bmi.py b/1ano/fp/aula03/bmi.py
index 3ae8903..25b3492 100644
--- a/1ano/fp/aula03/bmi.py
+++ b/1ano/fp/aula03/bmi.py
@@ -45,5 +45,5 @@ def main():
 
 
 # Program starts executing here
-main()
-
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/1ano/fp/aula03/dates.py b/1ano/fp/aula03/dates.py
index c0c70b2..3fb026a 100644
--- a/1ano/fp/aula03/dates.py
+++ b/1ano/fp/aula03/dates.py
@@ -71,4 +71,5 @@ def main():
     print(y, m, d)    # 2018 1 1 ?
 
 # call the main function
-main()
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/1ano/fp/aula03/ex05_06.py b/1ano/fp/aula03/ex05_06.py
index 935180a..0d9ffc4 100644
--- a/1ano/fp/aula03/ex05_06.py
+++ b/1ano/fp/aula03/ex05_06.py
@@ -7,13 +7,18 @@ def max2(x, y):
 def max3(x, y, z):
     return max2(x, max2(y, z))
 
-n1 = float(input('Introduza dois valores.\nN1: '))
-n2 = float(input('N2: '))
+def main():
+    n1 = float(input('Introduza dois valores.\nN1: '))
+    n2 = float(input('N2: '))
 
-print('\nO maior valor é: ', max2(n1, n2))
+    print('\nO maior valor é: ', max2(n1, n2))
 
-n1 = float(input('\n\nIntroduza tres valores.\nN1: '))
-n2 = float(input('N2: '))
-n3 = float(input('N3: '))
+    n1 = float(input('\n\nIntroduza tres valores.\nN1: '))
+    n2 = float(input('N2: '))
+    n3 = float(input('N3: '))
 
-print('\nO maior valor é: ', max3(n1, n2, n3))
\ No newline at end of file
+    print('\nO maior valor é: ', max3(n1, n2, n3))
+
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/1ano/fp/aula03/ex12.py b/1ano/fp/aula03/ex12.py
index 0905a7d..227d9d1 100644
--- a/1ano/fp/aula03/ex12.py
+++ b/1ano/fp/aula03/ex12.py
@@ -1,11 +1,12 @@
 def main():
     num = int(input('De onde vai começar o contador? '))
-    countdown(num)
+    for n in countdown(num):
+        print(n)
 
 def countdown(n):
-    assert n > 0
-    print(n)
-    if n > 0:
-        countdown(n - 1)
+    while n > 0:
+        yield n
+        n -= 1
 
-main()
\ No newline at end of file
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/1ano/fp/aula03/ex13.py b/1ano/fp/aula03/ex13.py
index 85bfc61..371ad6c 100644
--- a/1ano/fp/aula03/ex13.py
+++ b/1ano/fp/aula03/ex13.py
@@ -11,6 +11,7 @@ def main():
     print('Este programa calcula o máximo divisor comum de dois námeros naturais')
     n1 = int(input('Numero 1: '))
     n2 = int(input('Numero 2: '))
-    print('\nO Máximo Divisor Comum de \'{}\' e \'{}\' é: {}'.format(n1, n2, mdc(n1, n2)))
+    print(f'\nO Máximo Divisor Comum de {n1} e {n2} é: {mdc(n1, n2)}')
 
-main()
\ No newline at end of file
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/1ano/fp/aula03/poly.py b/1ano/fp/aula03/poly.py
index 2399aef..aa62f8b 100644
--- a/1ano/fp/aula03/poly.py
+++ b/1ano/fp/aula03/poly.py
@@ -12,10 +12,12 @@ def main():
 
     # Acrescente instruções para mostrar os valores de
     # p(1), p(2), p(10) e g(1 + p(3)).
-    print("""p(1) = {}
-p(2) = {}
-p(10) = {}
-g(1 + p(3)) = {}""".format(p(1), p(2), p(10), g(1 + p(3))))
+    print(f"""
+p(1) = {p(1)}
+p(2) = {p(2)}
+p(10) = {p(10)}
+g(1 + p(3)) = {g(1 + p(3))}
+""")
 
 if __name__ == '__main__':
     main()
diff --git a/1ano/fp/aula04/divs-cate.py b/1ano/fp/aula04/divs-cate.py
index cae9470..e8a164c 100644
--- a/1ano/fp/aula04/divs-cate.py
+++ b/1ano/fp/aula04/divs-cate.py
@@ -3,43 +3,39 @@ def main():
     n = int(input('Introduza um número: '))
     div_list_array = divList(n)
 
-    # Transforma a lista obtida numa string para imprimir
-    div_list = ""
-    for div in div_list_array:
-        div_list += (str(div) + ', ')
-    div_list = div_list[:len(div_list)-2]
-    # ---
+    div_list = ", ".join(div_list_array)
     
-    print("""
+    print(f"""
 
 --------------------
 
-Número introduzido: {}
+Número introduzido: {n}
 
 Lista de divisores:
-{}
+{div_list}
 
-Este é um número {}.
+Este é um número {category(n, div_list_array)}.
 
 --------------------
-
-""".format(n, div_list, category(n, div_list_array)))
+    
+""")
 
 # Obtém uma lista com todos os dividores de um número
 def divList(n):
     divs = []
     for x in range(1, n):
         if n % x == 0:
-            divs.append(x)
+            divs.append(str(x))
     return divs
 
 # Obtém a categoria de um número
 def category(n, divs):
     total = 0
     for div in divs:
-        total += div
+        total += int(div)
     if total < n: return 'deficiente'
     if total == n: return 'perfeito'
-    if total > n: return 'abundante'
+    if total > n: return 'abundante'    
 
-main()
\ No newline at end of file
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/1ano/fp/aula04/factorial.py b/1ano/fp/aula04/factorial.py
index 41cad40..1173189 100644
--- a/1ano/fp/aula04/factorial.py
+++ b/1ano/fp/aula04/factorial.py
@@ -8,4 +8,5 @@ def main():
     n = int(input('Introduza um número: '))
     print('O fatorial de {} é: {}'.format(n, factorial(n)))
 
-main()
\ No newline at end of file
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/1ano/fp/aula04/fibonacci.py b/1ano/fp/aula04/fibonacci.py
index f0ca974..4882725 100644
--- a/1ano/fp/aula04/fibonacci.py
+++ b/1ano/fp/aula04/fibonacci.py
@@ -5,6 +5,7 @@ def fibonacci(n):
 
 def main():
     n = int(input('Introduza um número: '))
-    print('O {}º número de Fibonacci é: {}'.format(n, fibonacci(n)))
+    print(f'O {n}º número de Fibonacci é: {fibonacci(n)}')
 
-main()
\ No newline at end of file
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/1ano/fp/aula04/hilo.py b/1ano/fp/aula04/hilo.py
index 343b1b5..c8b118a 100644
--- a/1ano/fp/aula04/hilo.py
+++ b/1ano/fp/aula04/hilo.py
@@ -8,6 +8,7 @@ def main():
     print("Can you guess my secret?")
     # put your code here
     c = 0
+    trieslist = []
     num = -1
     while secret != num:
         num = int(input('>>> '))
@@ -16,6 +17,9 @@ def main():
         if num < secret:
             print('Low')
         c += 1
-    print('Well done! The secret number was {}. It took you {} tries to get it right.'.format(secret, c))
+        trieslist.append(str(num))
+    triesstr = ', '.join(trieslist)
+    print(f'Well done! The secret number was {secret}. It took you {c} tries to get it right.\nList of tries: {triesstr}')
 
-main()
+if __name__ == "__main__":
+    main()
diff --git a/1ano/fp/aula04/leibnizPi4.py b/1ano/fp/aula04/leibnizPi4.py
index 023a3e6..1fc93d5 100644
--- a/1ano/fp/aula04/leibnizPi4.py
+++ b/1ano/fp/aula04/leibnizPi4.py
@@ -1,6 +1,5 @@
 import math
 
-
 def leibnizPi4(n):
     total = 0
     for x in range(1, n+1):
@@ -12,9 +11,10 @@ def leibnizPi4(n):
 
 def main():
     num = int(input('Introduza o número de termos: '))
-    print("""
-Resultado da série de Leibniz: {}
-Valor do PI/4: {}
-""".format(leibnizPi4(num), math.pi/4))
+    print(f"""
+Resultado da série de Leibniz: {leibnizPi4(num)}
+Valor do PI/4: {math.pi/4}
+""")
 
-main()
\ No newline at end of file
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/1ano/fp/aula04/media.py b/1ano/fp/aula04/media.py
index 563d74c..d3f6b2f 100644
--- a/1ano/fp/aula04/media.py
+++ b/1ano/fp/aula04/media.py
@@ -1,25 +1,22 @@
-# Cria uma lista acessivel por todas as funções
-values = []
-
 # Pede ao utilizadores todas as parcelas e adiciona-as à lista 'values'
 def GetValues():
     c = 1
+    values = []
     while True:
         n = input('n{}: '.format(c))
         if n == "": break
         values.append(float(n))
         c += 1
+    return values
 
 # Calcula a média dos valores da lista 'values'
 def GetMedia(val):
-    total = 0
-    for v in val:
-        total += v
-    return total / len(val)
+    return sum(val) / len(val)
 
 # Função principal
 def main():
-    GetValues()
+    values = GetValues()
     print('Média dos valores introduzidos: ', GetMedia(values))
 
-main()
\ No newline at end of file
+if __name__ == "__main__":
+    main()
\ No newline at end of file
diff --git a/1ano/fp/aula04/turtle1.py b/1ano/fp/aula04/turtle1.py
index f000530..c4594ad 100644
--- a/1ano/fp/aula04/turtle1.py
+++ b/1ano/fp/aula04/turtle1.py
@@ -61,4 +61,5 @@ def main():
     print("The window was closed. Bye!")
 
 
-main()
+if __name__ == "__main__":
+    main()