[英]Python - Loop Escaping unexpectedly and not iterating over list as expected
[英]Python: For loop not iterating as expected
我试图写一个日历。 但是for循环只会打印出第一个月的日期。 如果我尝试打印循环后的日子,它将起作用。 有人知道发生了什么吗?
cal_year = input('Enter a year (YYYY): ')
def not_common(year):
if (year % 4 == 0):
if (year % 100 == 0):
if (year % 400 == 0):
return 1
else:
return 0
else:
return 1
else:
return 0
leap = not_common(cal_year)
if leap == 0:
print 'This is not a leap year'
elif leap == 1:
print 'This is a leap year'
else:
print 'unexpected calculation error'
y1900=1
day = ((cal_year-1900)*365)%7
month = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec']
calendar = [range(1,32), range(1,29), range(1,32), range(1,31), range(1,32), range(1,31),\
range(1,32),range(1,32),range(1,31),range(1,32),range(1,31),range(1,32)]
if (leap == 1):
calendar[1] = range(1,30)
week = ['su','mo','tu','we','th','fr','sa']
r = 0
for i in range(0,12):
print month[i]
print ' '.join(str(y) for y in week)
for j in range (1, (len(calendar[i])/7)+2):
#cal =' '.join(str(x).zfill(2) for x in calendar[i][r*7:7*(r+1)])
print ' '.join(str(x).zfill(2) for x in calendar[i][r*7:7*(r+1)])
r += 1
print
print calendar[1]
print calendar[11]
故障线被认为是:''.join(str(x).zfill(2)for calendar [i] [r * 7:7 *(r + 1)])
每次开始新的月份时,您都需要从值r
重新开始。
但是,您的代码还有其他问题,您假设每个月都从星期日开始,并且有7天的确切倍数。
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