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python - count how many unique in a column Code Example
python - count how many unique in a column 
df['var_1'].nunique()   # How many unque values are present in a variable
Source: stackoverflow.com



Python

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Fill in the empty function so that it returns the sum of all the divisors of a number, without including it. A divisor is a number that divides into another without a remainder. Code Example Fill in the empty function so that it returns the sum of all the divisors of a number, without including it. A divisor is a number that divides into another without a remainder. Code Example

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