Jak používat pro smyčku v 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 v Pythonu
for i in range(1,10,2): #(initial,final but not included,gap)
print(i);
#output: 1,3,5,7,9
for i in range (1,4): # (initial, final but not included)
print(i);
#output: 1,2,3 note: 4 not included
for i in range (5):
print (i);
#output: 0,1,2,3,4 note: 5 not included
python = ["ml","ai","dl"];
for i in python:
print(i);
#output: ml,ai,dl
for i in range(1,5): #empty loop...if pass not used then it will return error
pass;
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.
pro smyčky python
text = "Hello World"
for i in text:
print(i)
#Output
#H, e, l, l, o, , W, o, r, l, d
for i in range(10):
print(i)
#1, 2, 3, 4, 5, 6, 7, 8, 9, 10Související stránky
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