python dict key and value code example

Example 1: for key value in dict python

a_dict = {"color": "blue", "fruit": "apple", "pet": "dog"}
for key in a_dict:
  print(key, '->', a_dict[key])

# Output:
# color -> blue
# fruit -> apple
# pet -> dog

Example 2: how to create dictionary in python

d = {'key': 'value'}
print(d)
# {'key': 'value'}
d['mynewkey'] = 'mynewvalue'
print(d)
# {'key': 'value', 'mynewkey': 'mynewvalue'}

Example 3: dict value python

obj = {0:"hello", 1:"there"}
print(obj[0])
print(obj[1])

print("\n\n\n\n\n")

for i in range(len(obj)):
  print(obj[i])