dictionaries and numpy

Question 1

Creating a dictionary

Answer 1

dictionary = {“key1” : “value1”, “key2” = “value2”}

Question 2

print out all keys of a dictionary

Answer 2

print(dict.keys())

Question 3

remove a pair from a dictionary

Answer 3

del(dict[‘key_to_remove’])

Question 4

print out a value in a dictionary of dictionaries

Answer 4

print(dict[‘level1key’][‘level2key’]

Question 5

Boolean operators in numpy

Answer 5

np. logical_and(var1 > 0, var2 > 0)
np. logical_or()
np. logical_not()