concatenate string and int python

string = 'string'
for i in range(11):
    string +=str(i)
print string

#by chaing it's type using str() function

# We have a string and a integer

string1 = "superman"
num1 = 20
# concatenated string 
concatString = string1 + str(num1)
print(concatString)

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

# In python you need to cast the variable to a string with str()

var = 3
print('Variable = ' + str(var) )

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))