typeerror 'int' object is not iterable from itertools code example

Example 1: TypeError: 'int' object is not iterable

#If you have a variable that is a list
#and you attempt to perform an operation on it, it will error
a = [1]
#Instead, just remove the brackets
a = 1
a+=1

Example 2: int object is not iterable

int_variable = x
for element in range(int_variable):
  #Code of the for loop