Merge pull request #2844 from FROGROWL/master

Frogrowl 🐸

Author: geekcomputers

Collatz Sequence/Collatz Sequence.py

@@ -0,0 +1,29 @@
+def collatz_steps(n):
+    times = 0
+    while n != 1:
+        if n % 2 == 0:
+            print(f"{n} / 2", end=" ")
+            n = n // 2 # "//" is a floor division where it rounds down the result
+        else:
+            print(f"{n} * 3 + 1", end=" ")
+            n = 3 * n + 1
+        print(f"= {n}")
+        times += 1
+    print(f"The number of times to reach 1 is {times}")
+
+def main():
+    again = "y"
+    while again != "n":
+        n = int(input("Input a number: "))
+        collatz_steps(n)
+        while True:
+            again = str(input("Want to input again? y/n: "))
+            if again != "n" and again != "y":
+                print("Incorrect Input.")
+            elif again == "n":
+                print("Thank You! Goodbye.")
+                break
+            else: 
+                break
+
+main()