print('wyrazenia warunkowe')

# truthy values

#  a = True
#  a = 'asd'
#  a = 1
#  a = [0]
# a = {'a': 2}


# false values
# a = 0
# a = ''
# a = []
# a = None
# a = {}


if a:
    print('a is true')
else:
    print('a is false')