#!/usr/bin/env python
# coding: utf-8

# In[75]:


#create a list
list = ["a","b","c","d","e","f"]
#swap values
i=0
while i<3:
    x = list[i]
    list[i]= list[i+3]
    list[i+3]= x
    i +=1
#print list    
print(list)


# In[76]:


#create a value and promt the user
a = (int(input("Give me a value: ")))
#find even values
for i in range (0,a,2):
    print(i)


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