#
# # Exercise 1

# - How to check a variable's type?
# => Answer: Use Type function in Python: type(what you wanna check)

# - SyntaxError: this error happens when we use illegal names for variable.
# There are 3 cases:
# (1) Variable name begins with a number: example: 123Minh
# (2) Variable name contains illegal character: example $ (abc$)
# (3) Use Python keyword: example: and

