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eval in Python

📅 2012-May-03 ⬩ ✍️ Ashwin Nanjappa ⬩ 📚 Archive

eval in Python works like in many functional programming languages. It evaluates the input string as if it were a Python expression. Python's eval can only handle expressions, so is pretty limited.

x = 1
y = eval( "x + 1" ) # 2

f = eval( "lambda x: x * x" )
g = f( 10 ) # 100

Tried with: Python 3.2