how to fix list index out of range in python code example

Example 1: reverse element in a list in python 3

my_list = [1, 7, 9, 11, 12, 20]
# Reverse a list by using a slice
print(my_list[::-1])

Example 2: python list remove at index

>>> a = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
>>> del a[-1]
>>> a
[0, 1, 2, 3, 4, 5, 6, 7, 8]

Example 3: python list index out of range

"You're probably trying to access a value that doesn't"
"exist or cant be obtained at the moment."

Example 4: python list index out of range

#this will result in an IndexError
arr = ['item',1,None,'hi']
error = arr[10]

Example 5: list index out of range

def sort_list(l):
    l=list(l)
    for i in l:
        if l[i]<=l[i+1]:
            return True
        else:
            return False