"""

Given a non-empty string and an int n, return a 
new string where the char at index n has been removed. 
The value of n will be a valid index of a char in the 
original string (i.e. n will be in the range 0..len(str)-1 inclusive). 
"""

def missing_char(str, n):
    return str[:n] + str[n+1:]

"""

Given a non-empty string and an int n, return a 
new string where the char at index n has been removed. 
The value of n will be a valid index of a char in the 
original string (i.e. n will be in the range 0..len(str)-1 inclusive). 
"""

def missing_char(str, n):
    return str[:n] + str[n+1:]

Given a non-empty string and an int n, return a  new string where the char at index n has been removed.  The value of n will be a valid index of a char in the  original string (i.e. n will be in the range 0..len(str)-1 inclusive).