【MOOC嵩天Python語言程序設計】4.3 程序的循環結構

for c in "Python123":
    print(c, end=",")

P,y,t,h,o,n,1,2,3,


a = 3
while a > 0:
    a -= 1
    print(a)

2
1
0


a = 3
while a > 0:
    a += 1
    print(a)

4
5
6
7
8
9

Ctrl + F2 / Ctrl + C

 

for c in "Python":
    if c == "t":
        continue
    print(c,end="")

Pyhon



for c in "Python":
    if c == "t":
        break
    print(c, end="")

PY


s = "PYTHON"
while s != "":
    for c in s :
        print(c, end="")
    s = s[:-1]


PYTHONPYTHOPYTHPYTPYP




s = "PYTHON"
while s != "":
    for c in s:
        if c == "T":
            break
        print(c, end="")
    s = s[:-1]

PYPYPYPYPYP