Python variable acquaintance
Variable name: only letters, data, and underscores, but can not start with a number.
Keywords can not do variable, and do not repeat and built-in Python, keywords include:
'and', 'as', 'assert', 'break', 'class', 'continue', 'def', 'del', 'elif', 'else', 'except', 'exec', 'finally', 'for', 'from', 'global', 'if', 'import', 'in', 'is', 'lambda', 'not', 'or', 'pass', 'print', 'raise', 'return', 'try', 'while', 'with', 'yield'
= N1 ' Life is short ' n2 = ' I want to learn Python ' Print (N1) Print (n2)
N1 and n2 code is variable, print output is n1, n2