some improvements

Author: linxam

days.py

@@ -0,0 +1,8 @@
+def days(year, month, day):
+    '''Возвращает количество дней между двумя датами'''
+    from datetime import date
+    delta = abs(date.today() - date(year, month, day))
+    return delta.days
+
+if __name__ == '__main__':
+    print(days(2022, 7, 1))

is_prime.py

@@ -1,7 +1,11 @@
 def is_prime(num: int) -> bool:
     '''this function returns True if there is a prime number, else returns False'''
-    for i in range(2, round(num**0.5)+1):
-        if num%i==0:
+    if num == 2:
+        return True
+    if num % 2 == 0:
+        return False
+    for i in range(3, round(num**0.5)+1, 2):
+        if num % i == 0:
             return False
     return True
 

lifetime.py

@@ -2,7 +2,7 @@ def mymax(l):
     '''Custom max function. Python example/exercise.''' 
     m = l[0]
     for i in l:
-        if i>m:
+        if i > m:
             m = i
     return m
 

mymax.py

@@ -2,7 +2,7 @@ def mymin(l):
     '''Custom min function. Python example/exercise.'''
     m = l[0]
     for i in l:
-        if i<m:
+        if i < m:
             m = i
     return m