School Commit Init

Anul 1/Semestrul 1/Fundamentals of Programming/FP/src/lecture/live/ex01_PrimesLessThan.py

@@ -0,0 +1,38 @@
+import math
+
+def isPrime(n):
+    """
+    Verifies if a number is prime.
+    :param n: integer
+    :return:
+        True - if the number n is prime
+        False - otherwise
+    """
+    if n < 2:
+        return False
+    for i in range(2, int(math.sqrt(n)) + 1):
+        if n % i == 0:
+            return False
+    return True
+
+def allPrimesLessThan(n):
+    """
+    Returns a list with all prime numbers less than a given number n
+    :param n: integer
+    :return:
+    list with prime numbers less than n
+    """
+    result = []
+    for i in range(2, n):
+        if isPrime(i):
+            result.append(i)
+    return result
+
+if __name__ == "__main__":
+    while True:
+        n = int(input("Input an integer number (0 to exit the program): "))
+        if n == 0:
+            break
+        l = allPrimesLessThan(n)
+        print("Prime numbers less than " + str(n) + ": ")
+        print(l)