make it cleaner

Author: ellieko

data_structures/2_Arrays/my_arrays.py

@@ -0,0 +1,52 @@
+# 1. expenses
+print("\n##### 1. Expenses #####")
+expense = [2200, 2350, 2600, 2130, 2190]
+
+print(f"1) In Feb, you spent extra \"{expense[1]-expense[0]}\" \
+compare to Jan.")
+
+print(f"2) Total expense in first quarter is \
+\"{expense[0]+expense[1]+expense[2]}\".")
+
+print(f"3) Is there any month you spent exactly $2000?\n\
+   Ans: {any([x for x in expense if x == 2000])}")
+
+expense.append(1980)
+print(f"4) Now expense of June is added, it is \"{expense[5]}\"")
+
+print(f"5) The expense of April was {expense[3]}, but")
+expense[3] = expense[3]-200
+print(f"   she returned one item, which costs $200, \
+so it is updated to \"{expense[3]}\".")
+
+
+# 2. marvel
+print("\n##### 2. Marvel #####")
+heros = ['spider man', 'thor', 'hulk', 'iron man', 'captain america']
+
+print(f"1) Length of the list is \"{len(heros)}\".")
+
+heros.append('black panther')
+print(f"2) Added black panther at the end of the list: {heros}")
+
+heros.remove('black panther')
+heros.insert(3, 'black panther')
+print(f"3) After hulk, need black panther: {heros[:]}")
+
+heros[1:3] = ['doctor stange']
+print(f"4) Removed thor and hulk and added doctor strage: {heros[:]}")
+
+heros.sort()
+print(f"5) Sort the list: {heros}")
+
+# 3. odd_numbers
+print("\n##### 3. Odd number list #####")
+
+
+def odd_between_1_and_max(max):
+    return [i for i in range(1, max+1) if i % 2 == 1]
+
+
+m = int(input("Type max number for your list: "))
+list = odd_between_1_and_max(m)
+print(f"Your list is {list}")