
name = 'ada lovelace'
print(name.title())
print(name.upper())
print(name.lower())

print('\tPython')
print('languages:\nPython\nC\nJavaScript')

favorite_language = ' Python '
print(favorite_language.rstrip())
print(favorite_language.strip())
print(favorite_language.rstrip())
print(favorite_language)

print(10**6)
print(0.2 + 0.1)

age = 24
message = 'Happy ' + str(age) + 'rd Birthday'
print(message)

# attention: in Python2.7, 3/2 = 1, 3.0/2 = 1.5.
print(3/2)