[wip] add lists

Author: hermite2053

informal/lists/concatenate_list.py

@@ -0,0 +1,3 @@
+prime = [2, 3, 5, 7, 11, 13]
+prime = prime + [17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67]
+print(prime)

informal/lists/index.py

@@ -0,0 +1,14 @@
+prime = [2, 3, 5, 7, 11, 13]
+print('prime = [2, 3, 5, 7, 11, 13]')
+print('prime[0]:', prime[0])
+print('prime[1]:', prime[1])
+print('prime[2]:', prime[2])
+print('prime[3]:', prime[3])
+print('prime[4]:', prime[4])
+print('prime[5]:', prime[5])
+print('prime[-1]:', prime[-1])
+print('prime[-2]:', prime[-2])
+print('prime[-3]:', prime[-3])
+print('prime[-4]:', prime[-4])
+print('prime[-5]:', prime[-5])
+print('prime[-6]:', prime[-6])

informal/lists/lists.py

@@ -0,0 +1,2 @@
+prime = [2, 3, 5, 7, 11, 13]
+print(prime)

informal/lists/slice.py

@@ -0,0 +1,7 @@
+prime = [2, 3, 5, 7, 11, 13]
+print('prime[:]:', prime[:])
+print('prime[2:4]:', prime[2:4])
+print('prime[3:]:', prime[3:])
+print('prime[:5]:', prime[:5])
+print('prime[-5:-3]:', prime[-5:-3])
+print('prime[:-2]:', prime[:-2])