adding collatz conjecture

Author: jjCode01

projects/collatz_conjecture/README.md

@@ -0,0 +1,3 @@
+# Collatz Conjecture
+
+Reference [Wikipedia](https://en.wikipedia.org/wiki/Collatz_conjecture)

projects/collatz_conjecture/main.py

@@ -0,0 +1,27 @@
+import matplotlib.pyplot as plt
+
+def n(num: int) -> list:
+ _n = [num]
+ # print(num) 
+ while num > 1:
+ if num % 2:
+ # num is odd
+ num = num * 3 + 1
+ else:
+ # num is even
+ num = int(num/2)
+ _n.append(num)
+ return _n
+
+if __name__ == "__main__":
+ y = []
+ p = plt
+ for x in range(3,40):
+ z = n(x)
+ if max(z) > 1:
+ y.append(z)
+ p.plot(z)
+ print(x)
+
+ p.ylabel('some numbers')
+ p.show()

projects/collatz_conjecture/requirements.txt

@@ -0,0 +1 @@
+matplotlib==3.7.1

requirements.txt

@@ -1,6 +1,16 @@
+contourpy==1.0.7
+cycler==0.11.0
+fonttools==4.39.3
+kiwisolver==1.4.4
 markdown-it-py==2.2.0
+matplotlib==3.7.1
 mdurl==0.1.2
 numpy==1.24.2
+packaging==23.0
+Pillow==9.4.0
 Pygments==2.14.0
+pyparsing==3.0.9
+python-dateutil==2.8.2
 rich==13.3.3
+six==1.16.0
 tqdm==4.65.0