how to iterate dictionary keys in 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 iterate through dictionary
a_dict = {'apple':'red', 'grass':'green', 'sky':'blue'}
for key in a_dict:
print key # for the keys
print a_dict[key] # for the values
Example 3: python generate dictionary in loop
n = int(input())
ans = {i : i*i for i in range(1,n+1)}
print(ans)