on add key value to dictionary code example

Example 1: python dictionary add key-value pair

dict = {'key1':'value_one', 'key2':'value_two'}  
dict['key3'] = 'value_three'

Example 2: python dictoinary add value

student_scores = {'Simon': 45  }
print(student_scores)
# {'Simon': 45}
student_scores['Sara'] = 63
print(student_scores)
# {'Simon': 45, 'Sara': 63}