how to concatinate a char and a integer in python 3 code example

Example 1: append string variable with integer python

string = 'string'
for i in range(11):
    string += 'i'
print string
# It will print string 012345678910.

Example 2: concatenate strings and int python

number = [1,2,3,4,5]

number.reverse()
# to concatenate strings and int
# One needs to use str() to convert the string into int 

print("Reverse list: "+ str(number))