Answers for "python list fundamental"

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python list fundamental

# A python list is a collection of strings or numbers that are stored linearly
# len() function - to check the length of a list

a = ['hi', 'there', '!']  # a list with 3 elements
len(a)       ## 3
a[0]         ## 'hi'
a[2] = 'ho'  ## Change an existing element
  
a = ['hi', 'there', '!']  # a list with 3 elements
a.append('aa')
a.append('bb')
b = sorted(a) # ['aa', 'bb', 'hi', 'there']

List Loop

a = [1, 2, 3]
sum = 0
for num in a:
	sum = sum + num # sum = 6
    
a = ['hi', 'there', 'ok']
result = ''
for i in range(len(a)):
  # i will be 0, 1, 2 ... use a[i] to look at each element.
  # Here we just accumulate the a[i] strings
  result = result + a[i]
Posted by: Guest on October-08-2021

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