aggiunge esercizio 26

lab24.py

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+# from lab23 import is_year_leap
+
+def is_year_leap(year):
+    if year % 4 == 0:
+        return True
+    else:
+        return False
+
+def days_in_month(year, month):
+
+    days = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
+
+    if is_year_leap(year) == True:
+        days[1] = 29
+
+    return days[month - 1]
+
+test_years = [1901, 2000, 2016, 1987]
+test_months = [2, 2, 1, 11]
+test_results = [28, 29, 31, 30]
+
+for i in range(len(test_years)):
+    yr = test_years[i]
+    mo = test_months[i]
+
+    print(yr, mo, "->", end="")
+    result = days_in_month(yr, mo)
+    if result == test_results[i]:
+        print("OK")
+    else:
+        print("Failed")

lab25.py

@@ -0,0 +1,35 @@
+def is_year_leap(year):
+    if year % 4 == 0:
+        return True
+    else:
+        return False
+
+def days_in_month(year, month):
+
+    days = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
+
+    if is_year_leap(year) == True:
+        days[1] = 29
+
+    return days[month - 1]
+
+def day_of_year(year, month, day):
+    if month < 1 or month > 12:
+        return None
+    elif day < 1 or day > 31:
+        return None
+    elif day > 29 and is_year_leap(year) == True and month == 2:
+        return None
+    elif day > 28 and is_year_leap(year) == False and month == 2:
+        return None
+
+    day_ = day
+
+    for i in range(1,month):
+        mo = days_in_month(year,i)
+        day_ += mo
+
+    return day_
+
+print(day_of_year(2001,2,29)) 
+

lab26.py

@@ -0,0 +1,18 @@
+def is_prime(num):
+    div = []
+
+    if num is float:
+        return None
+
+    for i in range(1,num+1):
+        if num % i == 0:
+            div.append(i)
+
+    if len(div) == 2:
+        return num
+
+for i in range(1,20):
+    if is_prime(i+1):
+        print(i+1,end=" ")
+
+print()