iteration in dictionary python code example

Example 1: python iterate dictionary key value

a_dict = {'color': 'blue', 'fruit': 'apple', 'pet': 'dog'}
for key, value in a_dict.items():
  print(key, '->', value)

Example 2: python loop through dictionary

new_list = [something(key, value) for key, value in a_dict.items()]

Example 3: python generate dictionary in loop

n = int(input())
ans = {}
for i in range (1,n+1):
  ans[i] = i * i
print(ans)