python list index out of range but it's not code example

Example 1: 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 2: python list index out of range

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

Example 3: 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