Pro smyčku v syntaxi Pythonu
Příklady kódu
python smyčky
#x starts at 1 and goes up to 80 @ intervals of 2
for x in range(1, 80, 2):
print(x)pro smyčku python
Python Loops
for x in range(1, 80, 2):
print(x)
words=['zero','one','two']
for operator, word in enumerate(words):
print(word, operator)
for x in range(1, 80, 2):
print(x)
jak používat pro smyčky python
#simple for loop to print numbers 1-99 inclusive
for i in range(1,100):
print(i)
#simple for loop to loop through a list
fruits = ["apple","peach","banana"]
for fruit in fruits:
print(fruit)python pro smyčku
# A for loop in python is used to iterate (or loop) over a sequence.
# The sequence is usually range(start,end), but can also be a list.
# Example of for loop with range():
for num in range(1,10):
print(num)
# This prints all the numbers from 1 to 10, including 1 but excluding 10.
# Here is an example of a for loop with a list:
lst = [1,2,3,4,5]
for item in lst:
print(item)
# This prints all items in the list.
# For loops are also used in list comprehensions.
lst = [1,2,3,4,5]
new_lst = [item for item in lst if i % 2 == 0]
# The list comprehension above generates a new list, which new_lst is put equal to.
# It iterates through the items in lst and only puts them in the new list if it is a multiple of 2.
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