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Author: Svagtlys

CheckPrimalityFunctions.py

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+# Ask the user for a number and 
+# determine whether the number is prime or not.
+
+def get_num():
+    number = input("What number would you like to determine the primality of?\n")
+    while(not number.isdigit()):
+        number = input("Please provide a number to determine the primality of?\n")
+    return int(number)
+
+def check_divisible(num):
+    for x in range(2, num-1):
+        if num % x == 0:
+            return x
+    return 0
+
+number = get_num()
+isdivisible = check_divisible(number)
+
+if(not isdivisible):
+    print(str(number) + " is prime.")
+if(isdivisible):
+    print(str(number) + " is not prime. The first divisor for it (other than 1) is " + str(isdivisible) + ".")

ListEnds.py

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+# Write a program that takes a list of numbers, for example:
+#  a = [5, 10, 15, 20, 25]
+# and makes a new list of only the first and last elements 
+# of the given list. For practice, write this code inside a function.
+
+def list_ends(mylist):
+    return [mylist[0], mylist[len(mylist)-1]]
+
+a = [5, 10, 15, 20, 25]
+
+print(list_ends(a))