Check if the string is a number in python

You can find it by str.isdigit (). Decimal values are also False.

"100".isdigit()
#->True
"0.1".isdigit()
#->False
"1a".isdigit()
#->False
"ddd".isdigit()
#->False
"O".isdigit()
#->False
"!".isdigit()
#->False
"one".isdigit()
#->False

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