Dictionary comprehension

# Create list's
bird = ['sparrow', 'eagle', 'seagull', 'owl'] # for key
speed_mph = [9, 74, 20, 30] # for value

# Dictionary comprehension
y = {key:value for (key, value) in zip(bird, speed_mph)}

# Output
print('Speed (mph):')
print(y)

Speed (mph):
{'sparrow': 9, 'eagle': 74, 'seagull': 20, 'owl': 30}

# Create a dictionary
x = {'sparrow': 9, 'eagle': 74, 'seagull': 20, 'owl': 30}

# Dictionary comprehension
y = {key:value*1.60934 for (key,value) in x.items()}

# Output
print('Speed (kmph):')
print(y)

Speed (kmph):
{'sparrow': 14.48406, 'eagle': 119.09116, 'seagull': 32.1868, 'owl': 48.2802}