Find all local maxima.

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Find all the local maxima in a series.

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# Author: HUANG KWUN HOI (SKHBBSS, class 4D)
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# Last modified: 2020.9.5
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file=open(r'p00300data.txt', 'r') # Put the data file here!
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local_maximas=[]
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list1=[]
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previous_datum=0
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current_datum=0
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next_datum=0
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for data in file:
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  list1.append(int(data))
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  next_datum=int(data)
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  if current_datum>previous_datum and current_datum>next_datum:
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    local_maximas.append(current_datum)
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  previous_datum=current_datum
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  current_datum=next_datum
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file.close()
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last_data=list1[-1]
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second_last_data=list1[-2]
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if last_data>second_last_data:
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  local_maximas.append(last_data)
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print('local maximas: ', local_maximas)
 

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