<reponame>anishLearnsToCode/python-training-1<gh_stars>1-10
"""
Time Complexity: O(1)
Space Complexity: O(1)
"""

"""
letters a-z A-Z
numbers 0-9
underscore _
first character: letter/underscore
"""

a = 10
hello = 10
hello10 = 10
hello_10 = 10
hello__10 = 10
_ = 9
__ = 9
___ = 9
_hello_190 = 9
# 45hello = 9

"""
Time Complexity: O(1)
Space Complexity: O(1)
"""

"""
letters a-z A-Z
numbers 0-9
underscore _
first character: letter/underscore
"""

a = 10
hello = 10
hello10 = 10
hello_10 = 10
hello__10 = 10
_ = 9
__ = 9
___ = 9
_hello_190 = 9
# 45hello = 9
Time Complexity: O(1) Space Complexity: O(1) letters a-z A-Z numbers 0-9 underscore _ first character: letter/underscore # 45hello = 9